308 saami specs Dec 8, 2014 · There are MANY examples out there making this absolutely clear. 9 mm). 308 ammo. 308 Winchester chambered arms. SAAMI specifications . Reamer or SAAMI and C. [6] Jun 14, 2005 · I have a question that maybe you folks could answer. The SAAMI warns that MAP levels greater than 65,000 psi (448. 270 - 65,000 . Made to SAAMI specifications or custom specifications for standardized cartridges and to the current industry standard for popular wildcat cartridges. 308 WIN ammunition and within SAAMI specs. The headspace specs are shown in the chamber drawing. 002 of SAAMI min as opposed to within the SAAMI min / max range. If you have additions, please add them below. 30-30 Winchester ammunition works perfectly in a . Bore is given as . As mentioned the 30-06 family of rounds do not share an identical SAAMI stated "pressure limits" in their MAP. Feb 24, 2021 · SAAMI New Cartridge & Chamber Maximum Average Pressure (MAP)* = 61,000 psi Instrumental Velocity**: 230-gr @ 2,890 fps Crusher pressures not established. 060. They can be found HERE. org. AccurateShooter. Like the larger . Technical Resources: American National Standards Although very similar to the military 7. (** - Based on a 24” SAAMI-compliant test barrel) * Refer to American National Standard SAAMI Z299. Boxer primed. In my experience, flash holes in 5. Jun 28, 2022 · The official SAAMI specifications for the new 7mm PRC (Precision Rifle Cartridge) have just been released - what does this new cartridge offer? Aug 12, 2011 · SAAMI publishes the SAAMI Voluntary Performance Standards which all manufacturers use to insure their ammunition and barrel chambers are consistent across the board. Hey, it’s for your own safety! Based on this rule, find your Dec 24, 2020 · Any of you ever measure a factory New . 62 NATO. com is the best guide for 6mm BR Benchrest precision shooting, complete with 6BR FAQ, Reloading Data, Shooter Message Boards, Reader Polls, and Photo Gallery. I. 630 inches, and then a “reject” (too long) figure of 1. 308" barrel. The primary work of SAAMI is done by its Technical Committee in the establishment of industry standards. I used a Sinclair Chamber Gauge and found that my chamber measures 2. Check with the individual manufacturer for their policies. 0070". Jan 26, 2020 · On a F/L sized . Equipment reviews (. 010 inches beyond the . 200" + . 400" . Recommendations of the task forces are submitted for review by the entire Technical Committee. 308 case, I get a neck OD of . Jul 25, 2025 · SAAMI sets the . 277 SIG Fury by the SAAMI) is a centerfire rimless bottlenecked rifle cartridge announced by SIG Sauer in late 2019. 62×51mm NATO round, there is significant discussion about compatible chambers and muzzle pressures between the two cartridges based on powder loads 308 Shooter's Guide for . 010" The . 010 is that normal? It seems like a lot based on what I'm reading. 243 bullets, 30BR cartridge, 6mm Norma Improved, gun barrels, powders, primers, gunstocks, dies), accurizing, 1000yd ranges, ballistics Mar 16, 2006 · It's been said that one reason that a 7. According to saami specs: Max Chamber Pressure - SAAMI Specs The PSI is higher for a 270 then it is for a 300 win mag and a 30-06 is lower then a . C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested loads or exceeds maximum suggested loads as presented in current handloading manuals. Product standards for firearms and ammunition are developed by two Product Standards Task Forces, one for ammunition and one for firearms. I have a Palma 95 reamer by Dave Kiff at PTG, I highly recommend him and his ramers. 62x51 surplus ammo and ammunition reveiws. com is the best guide for precision shooting, with FAQ, Shooter Message Boards, Reader Polls, and Photo Gallery. ) Oct 26, 2022 · Here’s some quick specs: 7mm PRC SAAMI Specs On June 28, 2022 SAAMI officially released the specifications for the 7mm PRC which you can download HERE. 850 inch = 72. 308 can handle 62,000 psi of chamber pressure, according to SAAMI. I have experience . SAAMI recommends that the barrel have a 6 groove contour with a twist rate of one revolution in 10 in (250 mm). If it chambers with a stiff bolt, you may be a little short. The SAAMI Maximum Average Pressure (MAP) is listed in both the Copper Units of Pressure (CUP) and the Pounds per Square Inch (PSI). Let's say it is on the long end at The overall cartridge length is 72. (SAAMI) Bullet: . S. On Page 66 of this standard the drawing specifications for . The projectile profile may slightly vary from the picture displayed. 308 or 7. Cartridge and Chamber Designs Standardized by SAAMI Note: Current Cartridge & Chamber Drawing doc uments are contained within the SAAMI Standards. 308 SAAMI specs. In order to accept SAAMI maximum ammunition, the rifle must be able to chamber the correct go gage. The GO gauge is essential for checking a newly-reamed chamber in order to ensure a tight, accurate and safe chamber that will accept SAAMI maximum ammo. SAAMI GO: Corresponds to the minimum chamber dimensions. Never had this issue with . 400" dia point on the shoulder is 1. While none Feb 18, 2019 · I went to sammi . SAAMI VOLUNTARY PERFORMANCE STANDARDS 8 EXPLANATION OF PRESSURE TERMINOLOGY The SAAMI Pressure data outlined in this section is based on a Maximum Average Pressure (MAP) for each cartridge and a Coefficient of Variation of 4%. 630 min to 1. 4666 -0. 308 pressures translate to warmer loads and steeper recoil—a difference you feel at every squeeze of the trigger. 115 in (2. Oct 30, 2018 · CARTRIDGE: . 634", the minimum at 1. NO there Not as SAAMI calls out 0. From the new SAAMI site you can access hundreds of FREE official cartridge diagrams and chamber drawings for all ammo types: Rimfire, Pistol Cartridges, Rifle Cartridges, and Shotshells. These standards are guidelines for manufacturers, but many reloaders, builders, wildcatters and others also use them as a reference. 001-. I copied the drawing below and I assume you subtract the dimension in the cartridge drawing (2. SAAMI dimensions for the cartridge were issued on January 29, 1999, when the Remington's submission was accepted. Both of my guns have snug SAAMI 308 Winchester chambers. Newly Accepted Cartridge and Chamber Designs Links to technical data and drawings for the newly SAAMI accepted Cartridge May 30, 2025 · SAAMI Rifle Cartridge Catalog Here is a consolidate summary of all the rifle cartridges that are currently recognized by SAAMI. This should give me a lot more flexibility in reloading these fine bullets. Sep 25, 2011 · The 308 Winchester is similar to the 30-06 Springfield cartridge, but there is one key difference- the 30-06 is for long-action bolt action rifles, where the 308 Winchester is a short-action cartridge. The purpose of this is to provide a quick glance of cartridge specs for the curious mind. Explore SAAMI pressure standards for lever-action firearms, including their significance, applications, and safety considerations. 308 Winchester, extending between 0. The pic also means the die is at the maximum of SAAMI 308win rifle chamber spec and not minimum. 5mm Creedmoor (6. Do NOT use these diagrams as the basis for creating Mar 5, 2014 · Upon reading about bumping the neck back (. While none Dec 4, 2011 · New SAAMI Website Offers Free, Printable Cartridge Diagrams SAAMI recently rolled out a new website loaded with invaluable info for shooters. 260 as a Delta L problem cartridge. The 308's case has only 2 grains H2O more capacity than the 277 Fury's. Military Specification - 3. If I trim . The barrel is to have a groove width of . All in all, the 277 Fury and 308 Win are extremely similar in terms of physical specs. The datum line for all the measurements is located at 0. 400 and half way down the shoulder which is used to determine cartridge head space. The SAAMI spec from base of the case to the 0. 60 - 44. And if this works, I think Weatherby (and probably Remi) owes us a ‘thank you’. 344. 308 Winchester of 62,000 PSI, but the oft-cited pressure of 7. 62x51mm NATO specifications, the . 308 Winchester cartridge, also known as 7. 308Win, the min headspace of the chamber is 1. Aug 7, 2025 · The cartridge drawings can be seen by searching the internet and using the phrase ‘308 SAAMI’ will get you the . L. Dimensions in inches. Over half of them are illegable. 002 = 0. Well, the number given as a minimum for NATO is 1. I do how ever change the neck and free bore dimensions to my specs. Introduction to the SAAMI and CIP Max Cartridge Min Chamber drawings used to dimensionally define cartridges and chambers. have provided design specifications for the . 080, small decapping pins are around 0. 308 ballistics like velocity, energy, and drop, complete with ballistic tables from the most popular ammo manufacturers. 308 Winchester and . 0007 of an inch. Dec 14, 2015 · Are there SAAMI max pressure specs for the small primer pocket 308 case? 308 Winchester NO GO Headspace Gauges Add for $55. Reproduction, republication or redistribution of SAAMI technical drawings and data sheets in any manner, in whole or in part, without SAAMI's prior written consent is prohibited. 62×51 NATO chamber is imperceptibly longer than the . 39 mm Barrel Length CARTRIDGE: . lists the . 913, so I’ve got . WARNING: Case Diagrams are provided for illustration purposes only. Although the 277 Fury cartridge is said to have a unique design, these similarities have led many to theorize that the 308 Winchester is its parent case. 2085 to . Match event calendar and rifle competition accuracy training tips. 630", the maximum 1. 015". 62x51mm NATO, is one of the most widely used and versatile rifle cartridges in the world. 627. So prior to its first firing Feb 27, 2017 · I have no doubt that the majority of our readers know about SAAMI (Sporting Arms and Ammunition Manufacturers’ Institute), which sets the ammunition standards, cartridge and chamber drawings etc. Handloading for accuracy, and good brass life, you should run only a few thousands of headspace. Question: How long is this case supposed to be ? Would 1. 62x51 is per the STANAG agreement in 54. Dec 19, 2024 · December 19th, 2024 6mm ARC — An Efficient 6mm That Runs in an AR15 In June 2020, Hornady introduced the 6mm ARC, a new SAAMI cartridge optimized for AR-platform rifles*. 308 Win) Specs Dec 11, 2024 · Regarding the Peterson . However, after measuring this PPU batch, once fired, I am getting length of 44. 5" be reasonable trim length Apr 11, 2021 · I discovered a difference between the SAAMI and CIP specifications for a cartridge I follow a few years back. . 308 Norma is a powerful cartridge of sound design, ideal for medium game hunting and long range shooting. While there are minor dimensional differences between dimensions provided by both organizations, these dimensional differences mostly fall within the tolerances allowed by the other organization, though C. 4596" minimum (1. Surprisingly this data isn't too easy to find, so I have done the research for you. Here they are again. 3025"). Aug 6, 2017 · Yep, the way those measurements are expressed on the SAAMI document are "maximum -tolerance". [6] It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name. Here is a consolidate summary of all the Shotshell cartridges that are currently recognized by SAAMI. Jan 16, 2022 · The specs in the drawing above are for the brass. 006 and 0. 4738 + . 8 mm). While most rimfire cartridges Nov 25, 2022 · While the SAAMI specified chamber is indeed a no-leade design, the M1 Garand chamber, as specified by the Army, has a lead of approximately the same dimensions as the . The neck is expanding . Safety first! Jul 8, 2020 · SAAMI, for the most part, just confirms their safety. 02 in the The 6. 638 inches. SAAMI Min Chamber specs are slightly LARGER than Max Cartridge. 30-06 Spring. We show how one can relate these results to the SAAMI Pressure standards. Mar 8, 2017 · This is my go-to site for technical questions so here's what I'm trying to determine. 4703" for it. 215 gr RN bullet. The cartridge is a necked-down SAAMI Maximum Pressure Standard- 45,000 CUP / 49000 PSI Maximum Cartridge Overall Length is dependant on bullet type/weight. SAAMI only lists transducer pressures for rimfire cartridges. 223 Remington is on page 68, and as noted above, the maximum case length tolerance is 0. 62x51mm - SAAMI says yes The Art of the Rifle: General Jul 23, 2020 · July 23rd, 2020 6mm ARC Cartridge — SAAMI Specs, Build Requirements, Videos In June 2020, Hornady introduced the 6mm ARC, a new SAAMI cartridge optimized for AR-platform rifles*. All HSS reamers have a 3/8" square drive shank. 002 cm3 Cartridge O. 2078. 308 Winchester is a smokeless powder rimless bottlenecked rifle cartridge widely used for hunting, target shooting, police, military, and personal protection applications globally. Rifles and gear reviews for . 62 case that is ever so Mar 11, 2017 · CLICK HERE to download an official SAAMI document with specs for all popular rimfire ammunition. 015" vs View SAAMI chamber & cartridge drawings from UniqueTek, Inc. Different brass manufacturers like Lapua, Win, Rem 300-PRC-210gr-version-9-0 Jun 4, 2012 · SAAMI vs CIP Handloading, Reloading, and Bullet Casting Nov 18, 2010 · The difference is that SAAMI is the standard for this side of the ocean, and CIP is the standard for Europe. Sep 15, 2020 · SAAMi sets typical pressures such that the maximum pressure in a series will be safe and not stress the action to the point that future low pressure loads will be unsafe. 229 grain H2O = 3. 308 are SAAMI specs and the 7. 308 Norma displays great flexibility on widely varying body weights, producing fast kills on light game when appropriate bullets are chosen and clean killing of heavy bodied game with Jun 25, 2023 · Most new . The . e. pressure barrels. 6mmBR. Bullets, powder, brass, accurate loads. 62. 4666 max, and 1. 51mm is 50,000 PSI--almost 25% less. chamber specifications may be used to set up chamber specification records. Org and downloaded thier specs. 04 inches Cartridge Chronology Cartridge, Powder, MK I Accepted 1889 Blackpowder load. 308 Winchester and was trying to understand how to determine Freebore. Make a copy of this for your reference. It's a factory Remi 700 VTR Barrel from 2008. Measured using digital varnier callipers and sampled with mechanical varnier calipers to confirm. 308 win gsg5pk Oct 28, 2014 Gun Project Questions & Gunsmithing Replies 7 Views 3,652 Oct 30, 2014 1 day ago · 📂 SAAMI specification and dimensions of cartridgesBE SURE TO CHECK OUT & FOLLOW MY INSTAGRAM FEED CARTRIDGE: . 308 Winchester rounds in weapons chambered for the military 7. 39 mm Barrel Length Jun 19, 2012 · Hi guys, According the SAAMI specs for the . Dec 20, 2004 · Guys, What reamers would you want to use for a match spec chamber for 308win? Is there one with the lead already set for 168s and 175 match ammo? Is there an industry standard reamer that outfits like GAP, KMW, R&D would use for their 308 builds? Or does each outfit have their own flavor on Shaw Barrels provides premium-grade guns and barrels made by experienced craftsmen, quality metals and the latest technology. Once the specifications are approved by SAAMI, those are the specifications that all future ammunition and rifles will be built to. All dimensions in inches [millimeters]. 968 cm3 Cartridge O. SAAMI spec calls for 1. SAAMI also allows loading of cartridges to higher pressure – 62 000 PSI, in comparison with military norm – 58 000 psi. This document is a table of contents listing cartridge and chamber drawings for centerfire rifles. 308 cartridge is not identical and there are special considerations that may apply when mixing these cartridges with 7. With a limit of 65,000 PSI, and compatibility with 300 Win Mag and similar rifle platforms (including magazines), the 7mm PRC has great power and flexibility. 00 Oct 18, 2024 · Pic below of highlighted SAAMI 308 Winchester specs that Forster likely used. [4] is a centerfire rifle cartridge introduced by Hornady in 2007. Right away you know that the chamber is measuring more than 1. 308 - 62,000 30-06 - 60,000 300WM - 64,000 So why would YHM say that a . Made to SAAMI speci Manufacturer’s name (Hornady) and caliber designation (308 WIN) imprinted on case head Feb 22, 2021 · Here's a thumbnail guide to SAAMI max average pressure for most of the chamberings in common use. 5x48mm) designated as 6. 308Win shows a maximum length of 2. They are the SAAMI minimum and maximum dimensions for new brass. What I learned was that the two organizations do work to harmonize the specs so the resulting cartridges and chambers match. 4) dated 2015. SAAMI spec for large rifle primer pocket diameter is . ammunition manufactured today works in a . Shell Cartridge Overall Length (COAL) Folded is the cartridge length measured from case May 14, 2016 · The SAAMI spec says that . 293. 300 in (7. 308 ammo from different makers might have minor size variations, but SAAMI requires that all ammo makers keep their . 300-RCM-200gr-version-9-0 This round is loaded to SAAMI specs along with integrity and attention to detail to ensure reliability and outstanding performance. 308 Win produce 74500 PSI The M1A, as manufactured by Springfield Armory, must meet the SAAMI standards for firearms due to liability issues. 9 inch = 658. 308 PPU brass. I have plans on building up a custom 308 win. 4 for pressure guideline interpretation description. So the headspace dimension is specified as 1. Here is a LINK to SAAMI's Centerfire Rifle standard (ANSI/SAAMI Z299. 62x51mm NATO, and . (Refer to the appropriate test barrel drawing for the cartridge under test. 82 mm), which is common to U. Aug 6, 2018 · I've seen where some manufactures advertise a guaranteed headspace tolerance, against the SAAMI minimum i. 308 Norma Magnum (7. 308 shorter than SAAMI specs If factory ammo chambers freely in your Savage, then the headspace is set correctly. 007, what I take away from this is according to SAAMI the spec is between 1. Do NOT use the dimensions on these diagrams to calculate pressures or internal ballistics. 308 ammo in 7. SAAMI spec for . 17 mm Barrel Length: 25. 308 Winchester max average pressure at 62,000 psi, while NATO specs cap 7. Thanks. 005" total clearance around the neck, that’s . Nov 14, 2016 · How much can you safely trim down a 308 case ? Handloading, Reloading, and Bullet Casting Jan 17, 2022 · In attempting to use a Hornady headspace comparator gauge to verify SAAMI specs, I find that I'm confused with the specs. Muzzle Velocity - 1850fps Cartridge, Cordite, MK I Accepted 1891 Smokeless Explore NRA and IHMSA handgun, rifle, air pistol silhouette shooting with history, events, scoring details and resources for new shooters. A. How and where on the gun is that actually achieved? As an example, if you took two rifles of the same model Dec 19, 2008 · Re: Question about reamers for . 476"). 4758 (round up for 0. Commercial 308 ammunition may stretch by 0. P. 334. 308 Winchester indicate that minimum head space is to be 1. That pushed-back shoulder does reduce case capacity (and velocity), but we assume Hornady did that to Jul 6, 2022 · Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) has published the cartridge and chamber drawings of the 30 Super Carry (30 S Carry) cartridge. 30-338 Magnum cartridge. 0465". 357 grain H2O = 3. 5 Creedmoor as an example. 223 min case length should be 44. 2 MPa) may present an increased risk of unsafe Oct 14, 2016 · This difference may prove problematic if you are trying to use commercial . 110 grain H2O = 3. The cartridge case length is 53. CARTRIDGE: . 010" off the case length will exceed SAAMI spec of 2. 634 and 1. What I really wanted to discuss today was the differences between the two accepted methods of obtaining pressure listings. 308 ammo within specificied size limits for both large and small. 015 for 308 WIN, but recommends a trim-to length of 2. . It downloaded on a pdf format and is not good quality. 5 Grendel necked down to 6mm, with the shoulder moved back around . 634-0. 630" plus or minus a couple of thousandths. The specs indicate the use of non coated brass and match primers. 308 win is . But SAAMI didn't stop at the chamber. Actual load order can vary, depending upon lot-to-lot powder and component variations. 007) . On all of my reamers except one, a tight neck 6BR reamer, I strive for no more than . 270 is okay? Or am i looking at the wrong kind of pressure readings? Apr 6, 2023 · The SAAMI specs for the 308 Win chamber state 1. Has anyone encountered or looked into how or where the CIP standard differs form the SAAMI standard? SAAMI Rifle Cartridge Drawings Index - Free download as PDF File (. 5438" - 0. 010 cm3 Cartridge O. 4637" … Min Dimensions Gages are made to SAAMI specifications for Min Chamber. I have a spanking new Shillen 1:17 twist with Robinnett 30BR chamber. It may even rupture! You must get the headspace corrected to bring it in line with SAAMI specs. (“SAAMI”). I have #3 boxes Match and they average 0. Dec 9, 2009 · . 308 Win. May 21, 2014 · •Go Gage: Go Gages match the minimum chamber dimensions allowable under SAAMI specifications. [3][2] Here is a consolidate summary of all the rimfire cartridges that are currently recognized by SAAMI. We are obtaining authorization to produce jacket projectiles with lead cores in caliber 308 (in Brazil) However, the authorities are stating that the same projectile (say 168 BTHP) must be tested for pressure, dimensions, accuracy, etc in all calibers for which this Jan 12, 2010 · Palma Reamer A true palma reamer is made to minimum saami specs. Mar 30, 2021 · The 7. 62×65mmBR) cartridge was created by Nils Kvale at Norma, Sweden. The bullet diameter is . A new pressure barrel must demonstrate it generates nearly the same pressure and velocity as existing SAAMI spec. 308 and 7. I could read the 308 but not 223 or 300blk well enough to use. May 14, 2012 · Hi guys I have a doubt. Now the 6mmbr. 62×51 chamber, especially one which was worn out or made with bigger tolerances. 2075 to . com website does talk about the differences between the two and says the NATO round is loaded to 50,000 PSI and that rifles made for 7. 34 mm. 300-WSM-180gr-version-9-0 Jul 3, 2011 · SAAMI standards specify that the proof load for a . Thanks Bojo34 for recommending that I reach out to this group. Apr 7, 2011 · These drawings contain cartridge, chamber and, below the pressure testing information, test barrel drawings. 630” and the maximum permissible is 1. 6 mm. 358 Norma Magnum it is based on a shortened 300 H&H magnum. 634. While none SAAMI Standards Development and Maintenance Procedure – The purpose of this Procedure is to establish a uniform process that is accredited by the American National Standards Institute (ANSI) for of the development and maintenance of American National Standard (ANS) by Sporting Arms and Ammunition Manufactures’ Institute, Inc. 30 caliber magnum brethren, the . I can actually use the same F/L Feb 9, 2011 · How is the MIN BORE & GROOVE AREA calculated? Just wanted to get a better understanding of how this is figured. Anyway, if you hear about SAAMI first time, you can see and Feb 6, 2025 · We look at . Working on shoulder bumps etc. 308. 6380″ (SAAMI FIELD) – possibly more. CARTRIDGE AND CHAMBER DRAWING 308 WINCHESTER NOTICE: This drawing is subject to change. I drew lines to the dimensions I am C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested loads or exceeds maximum suggested loads as presented in current handloading manuals. Measure your actual cases and use the data supplied by the cartridge maker and the propellant manufacturer. The actual headspace dimension spec is 2. Sep 13, 2024 · SAAMI 300 win mag case length 2. 015") from the chamber drawing of (2. 62x51mm round ?. 8×51mm Common Cartridge, (designated as the . Large decapping pins are around 0. 308 Win shooting, reloading, and 30-cal accuracy. It includes over 100 cartridge types with the date each drawing was created, issued, and last revised. This results in a 7. [5] Their interchange is, however, considered safe by the Sporting Arms and Ammunition Manufacturers Institute (SAAMI). The new Product Improved (PIP) cartridge was adopted as the Mk248Mod1 in October of 2008 and then was superseded in March of 2009 with Revision A which modified the test specifications to comply with SAAMI specifications instead of military specs. My GAP-10 has a chamber that is about the same as my Factory Remington 40XBKS bolt gun. 308 family of casings, in large-rifle-primer size, your primer pockets seem tighter than others? On the first firing of a cartridge, whether it is ours or most others, the primer pocket diameter opens up about . May 26, 2020 · HI everyone. Any help would be great. Last week, a Jul 11, 2024 · Similar threads Minimum Saami for . 30 caliber cartridges. The max headspace of a cartridge is specified at 1. 0. The same situation is obvious in the 308 family, and the 358 mentioned is one of the worst "under rated" of that family if looking at SAAMI statistics. Ensure precision and performance—download your files now. 260 Remington cartridge. 308, 180, Flatline - F T/R Useable Case Capaci: 46. 7. 6 mm) and a groove is . The difference I found was corrected after about a year. Our pocket diameters start out . Oct 30, 2022 · The . 65X51 NATO should not use full power commercial . saami. 30-30 Winchester rifle that’s 100 years old. 4654" and some German and Belgium are 0. Mar 23, 2012 · I notice in the Lyman's 48th edition that it gives the SAAMI max length of 2. That pushed-back shoulder does reduce case capacity (and velocity), but we assume Hornady did that to create a Jan 7, 2023 · You've probably seen SAAMI stamped on the side of ammo boxesbut what is this organization and why does their approval matter? The . 38 mm Barrel Jun 21, 2013 · Here is a table of the minimum and maximum primer pocket and primer dimensions. L6: 3. Oct 1, 2024 · The max case capacity of the . Sep 12, 2015 · At one time we used USGI chromed-lined barrels, but the specifications of our receivers were changed from USGI specs to make the headspace decrease so it will be acceptable for . 002 for a bolt action) and learning about the datum point which for the . 308, 160, Flatline Useable Case Capaci: 46. 308 SAAMI specs state 62,000PSI. Nov 3, 2008 · SAAMI could have just changed the chamber shoulder angle, neck, throat and leade and used the same headspace specs as CIP and the same cartridge specs. 640". 308 Winchester (. 620. Should I chamber it with factory 308 saami specs or should I go to a match chambering? If I use a match chambering will I have trouble using multiple types of factory match rounds? I do reload Reamer or SAAMI and C. 38 mm Barrel Apr 15, 2012 · Since I seem to get asked for these from time to time. [1][2] It very closely resembled the wildcat . rifle Both SAAMI and C. 030″. pdf), Text File (. May 9, 2020 · Fore example, . 311" bullets in a . 227" ( max - 0. It is tighter with a shorter throat in other words. 668 inch = 93. 308/7 . 62 NATO chamber is a little "longer" than . The trim to length is equivalent to the minimum case length. 308 but none with 30BR. The purpose of this gage is to check your reloaded rounds to see if they meet Min Chamber Specs. within . 300 Remington Ultra Magnum cartridge schematic: All dimensions in inches [millimeters]. Re: headspace on fired . 39 mm Barrel Length SAAMI specifies a maximum average pressure for . Even though the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) does not consider it unsafe to fire the commercial . 65ish after neck-only resizing. This is the reason modern . 62x51mm chambers are going to be cut to the tighter end of SAAMI/CIP specs so when you verify the headspace in your chamber, you'll usually find it to be around 1. txt) or read online for free. 5 Creedmoor by SAAMI, and as 6,5 Creedmoor by the C. They date from the early '90's, so some newer cartridges are missing. 220 grain H2O = 3. 260 Remington SAAMI compliant schematic. Like all of its . 030" rather than the 0. SAAMI was founded in 1926 at the request of the federal government and tasked with creating and publishing industry standards for safety, interchangeability, reliability and quality, coordinating technical data and promoting safe and responsible firearms use. Jan 20, 2019 · I was looking at a SAAMI drawing for the . I've have some factory ammunition (new of course) that will not chamber in any of my 308s. May 8, 2015 · The suppressor is rated "up to 308". The new 6mm ARC is basically a 6. Current version is available at www. 0025" per side. This FREE 89-page PDF includes complete Cartridge and Chamber drawings and headspace specifications. 308 When I order chamber reamers I leave the case body and shoulder area at minimum SAAMI specs. 62 NATO? I know that my GAP 10 and my SR-25 are both chambered to 308 Winchester specs (SAAMI) not 7. 62×51 at 50,000 psi. If this is true, then it would logically follow that shooting an overpressure cartridge is a bad idea. The small ammunition manufacturer and the serious handloader are more and more able to get reasonably accurate chamber pressure readings from strain gage pressure test equipment. 0070"). The purpose of the chamber change was to make it safer to fire European ammo with . 640 max. These specifications cover a wide range of factors, such as cartridge dimensions, pressure limits, performance parameters, and testing procedures. Dec 16, 2024 · What is SAAMI Spec Ammo? SAAMI spec ammo refers to ammunition that adheres to the standardized specifications and guidelines set forth by the SAAMI organization. This is why . 308 in (7. 640”… 308 Winchester SAAMI Chamber Reamer-Our Premium Pilot Chamber Reamers are individually hand-stoned to cut smooth and chatter free. Higher . The 308 Winchester is less powerful, but is in the same ballpark in terms of ballistics and performance for big-game hunting. The cartridge's shape was crafted to promote reliable feeding and extraction in bolt action rifles, semi-auto rifles, and full-auto machine guns under dirty circumstances. Jul 20, 2025 · SAAMI Pistol Cartridge Catalog Here is a consolidate summary of all the pistol calibers that are currently recognized by SAAMI. 39 mm Barrel Length SAAMI-spec headspace for a . chamber specs When actual chamber information is not available, use measurement values from reamer specifications, SAAMI or European C. 308 . 008″ when fired! Possibly more. After firing, this is repeated over many rounds, I get a fired case OD of . [2] The principle at work in the short magnum cartridge is the fitting of larger volumes of powder in closer proximity to the primer's flash hole, resulting in more-uniform ignition, thereby generating essentially the same SAAMI compliant . 70mm. 8 mm Dec 18, 2012 · Why are you worrying about this 308 VS 7. 56/223 (and most flash holes in general) are right around 0. 62 NATO? Are either of your AR-10 platforms actually chambered in 7. Take the 6. Understand that all of the listed powders can be unsuitable for the given combination of cartridge, bullet and gun. That should fit nicely. Mar 15, 2015 · SAAMI head space dimensions- 3006 ? Handloading, Reloading, and Bullet Casting Regarding SAAMI specs, SAAMI does not have much official information published on flash holes (that I could find, at least), and I do not believe they are officially standardized, even though there are industry standards. Oct 27, 2007 · First off SAS_Sniper is incorrect and rogers0311 is right; the . 30-378 SAAMI weatherby case length 2. 277 Fury or 6. 308 Win is 56 grains. Information on how a cartridge becomes a SAAMI Standard can be found in our Informational Publications. Is there some place I can get better. 125 inch = 79. Do NOT substitute these drawings for official SAMMI or CIP specifications. L6: 2. The cartridges range from common rounds like 30-06 Springfield and 308 Reference & Proof Ammunition Information Note: The purchase of Reference and Proof Ammunition may be limited to individuals and businesses with legitimate need and proper controls in place. A number of folks Apr 30, 2020 · Once the specifications are approved by SAAMI, those are the specifications ammunition and rifles will be built to. CUP values are no longer part of the SAAMI Manuel. 308 Winchester in PDF form. 308, 180, Flatline - F T/R, Friction Proofed Useable Case Capaci: 61. 005. 001 cm3 Cartridge O. SAAMI Product Codes Contains Product Codes for the following: Reference Ammunition, Proof Load Ammunition, Action Proving Dummy Rounds, Copper The test barrels shall conform to the SAAMI specifications for internal dimensions, length and piezo gauge location. SAAMI only lists transducer pressures for Shotshell cartridges. I have been looking on the net for case specs for this caliber without any luck. 2100. What is the relationship of a “Go,” “No-Go,” and “Field” Headspace Gauges relative to the SAAMI Minimum and Maximum Headspace specification? 308-Win-165gr-version-9-0 Aug 25, 2012 · I just stumbled upon a mention of the 308 Win CIP standard. If a rifle closes on a GO gauge, the chamber will accept ammunition that is made to SAAMI’s maximum specifications. The chamber dimensions are shown in a different drawing. 308 Win is a minimum (shortest headspace “GO” figure) of 1. Originally developed. They each have their own OAL/maximum pressure guidelines and methods for measuring pressure and in some cartridges the difference is significant. 308 SAAMI specs is to allow for variations in ammo and also for the possible use of dirty ammo under battlefield conditions. If so please tell ME the measurement just above the Rim rebate and then check SAAMI specs and see if there the same ?. I understand SAAMI will be issuing updated docs over the next few years, and those will no-doubt add cartridges and Under SAAMI specifications, reference ammunition is required only for the qualification of new pressure barrels. udec tfamf asd ckambkyv ojjf ghnfto momqr bgjaa tzcrc liz ekuzy euzpgdx pyqcj bvlbrx rgmw