Everywhere I see is either out of stock or like a 7 month back order. If a rifle closes on a FIELD gage, its chamber is dangerously close to, or longer than, SAAMI-specified maximum chamber size. Please try again. 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FIELD: Corresponds to the longest safe headspace. The GO,NO GO and Field are made to SAMMI specifications. I also have a #1 bolthead installed. In general we have defaulted to the SAAMI Go/No Go specs. An excerpt for Petter L`s treatise on fitting a new bolt, https://www.tectal.at/en/lee-enfield.303-british/25/headspace-gauge-set.303-british/lee-enfield. Alot of first timers out there have assumed that when the bolt does not close, the cartridge has FILLED in the chamber area, when in fact all it has done is to make sure the rim has fully engaged the barrel and the bolt face. For the best experience on our site, be sure to turn on Javascript in your browser. This is the reason why all (?) It is a recommended that handloaders check rifle chamber headspace every 1,000 rounds. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Probably best to call and ask. 3 (Apr. This is a British Armorer's gauge for use on .303 British rifles & Machine guns, such as the BREN & Vickers MGs.This gauge is NOT for use with the Pattern 14/P14 Enfield also called the Rifle #3 MK1, as it will damage the ring around the bolt face.These have some light surface rust from storage.The gauge is dated in the 1950's.The gauge is set & marked to Commonwealth Military Standards, NOT SAMMI.CIP/British Military standards refer to this gauge as"GO". 303 British SAAMI Headspace Gauges Reference: 63fa40a6 Condition: New product Please Select Gauge Type: Items in stock ship within 7 days. Many of then shooters have no idea the case has ruptured. 18): The National Military And Sh, Arms And The Man Vol. This fits your . Privacy Policy. This allows the chamber to be oversized to accommodate fouling and dirt without causing expansion issues and gas blowby when minimum dimensional ammunition is used. bright and shiny ! If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. Support the sponsers. Vintage 20 Case Xx Display Knives In Display Case! Free shipping for many products! . Shop our go and no-go gauges below. Unless you're having problems, just leave it be. "Corruptissima re publica plurimae leges" - Tacitus. Just make sure you tell them where you heard about them. I have had a number of case head separations, not because of excessive headspace, but from excessive number of reloads. By British Military standards a "no-go" gauge would measure 0.70", and a "field" measurement would be 0.74". Disclaimer: Content on this site is for reference purposes and is not a substitute for advice from a licensed health-care professional. There is one more standard for the .303 and that is the CIP norm. Submit your own rating by logging in. SM291, Headspace Gauge, .303 British, MAXIMUM, 1.88 mm (0.074 in.) 2018 Clymer | All Rights Reserved | Website By Miller Media | Sitemap, 22/284, 6mm/284, 25/284, 6.5/284, 270/284, 30/284, 35/284, 25/06, 6.5/06, 270 Win, 8mm/06, 338/06, 35 Whelen, 270 WSM, 325 WSM, All 300 & 270WSM Based Case, 219 Zipper, 219 Zipper Imp, 219 Don-Wasp, 25-35, 7-30 Waters, 7mm IntR, 30-30 Based Wildcats, 30 Herrett, 303 Savage, 307 Win, 32-40, 32 Win, 356 Win, 357 Herrett, 375 Win, 38-55 Win, 256 Win Mag, 357 Max, 38 Special, 22 Rem Jet, .535 Based Belted Calibers, 300Win, 350Rem, 375H&H. Above is a link to a European source for button style head space gauges. This is a British Armorer's gauge for use on .303 British rifles & Machine guns, such as the BREN, Lewis & Vickers MGs. So I suggest you get 'em while they're hot! L No. 5: DISASSEMBLY AND REASSEMBLY GUIDE Terence J. Evans 118 Paperback $15.00 Most purchasedin this set of products Shipping: One flat fee of $12.95 per online order. between the barrel and the bolt face. So if your rifle closes on .074" its out of spec., don`t shoot it that way. Headspace = distance between the bolt face and the top of the rim (chamber face) when the bolt is closed, Headspace = distance between the bolt face and a datum line (determined by SAAMI) where the front of the cartridge rests on its shoulder when the bolt is closed. Specs: Cartridge: 303 British Style: Go Gauge . For the best experience on our site, be sure to turn on Javascript in your browser. 319418240 FORSTER 303 BRITISH GO GAUGE 757253002878. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. $6 delivery Apr 28 - May 2 . at the best online prices at eBay! Not in commercial brass. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Militaria & Weapons SM210, British Armorer's Headspace Gauge, .303 British, MINIMUM, 1.63 mm (0.064 in. Reviewed in the United States on December 19, 2014. Go figure, the .303 is not that popular???? .303 British headspace gauge set.Includes a GO,NO GO,Field and Royal Field (.074"). 2017 MidSouth Shooters. Its very unlikely you will encounter case rims that are over 0.063. GO: Corresponds to the minimum chamber dimensions. Items in the Price Guide are obtained exclusively from licensors and partners solely for our members research needs. Proudly serving our customers for over 40 years, Midsouth Shooters can supply you with your pistol and rifle ammunition, as well as all of your shooting and reloading supplies. Every case has been fire formed to the chamber which has eliminated all but the rarest of case ruptures. Its a headspace gauge. Forster Headspace gauges are my first choice, Reviewed in the United States on March 3, 2015. 0.074 is perfectly safe, but you won't get many reloads with headspace this large Military armorers did not concern themselves with how many times a cartridge case can be reloaded. Clear as mud? By purchasing this item you agree that I cannot be held legally responsible for any misfortune,injury(s) or death(s) due to improper use of the gauges,quality of ammunition,handloading practices,condition of the. Most definitely, everyone should have checked headspace at least once, when they got the rifle, and dont shoot it if it is over 0.074. These are original collectors pieces and have not been calibrated in a very long time.Please verify the specifications if you intend to use this gauge. just to be annoying i made my own a while back. 303 British Length: Field Length Status: In Stock DESCRIPTION 303 British Field Length Head Space Gauge by FORSTER RELOADING PRODUCTS Every gunsmith knows that proper use of a headspace gage is the most reliable way to test the length of a rifle chamber. - Please Note: Most packages will require extra packing materials. SM142 *Good*. It's the nominal thickness of the rim. I suppose if the rifle is not cleaned properly, and dirt gets on the locking lug surfaces, it would gradually grind away on the hardened surface and increase headspace. Forster Products Sammi Dimensioned Headspace Gage, Rimless, Hardened Steel, Precision Ground, Forster Products SAAMI Dimensioned Headspace Gage, Rimmed and Belted, Hardened Steel, Precision Ground, Forster Products NATO Chamber Headspace Gage, Rimless, Hardened Steel, Precision Ground, 1996-2023, Amazon.com, Inc. or its affiliates, Select a location to see product availability, Forster Products 303 British GO Headspace Gage, Forster Headspace Gage Field Length 303 British, Forster Products 303 British NO GO Headspace Gage. I listen to what Ex amourers have to say about these old rifles and follow their advise. . The most reliable means to test rifle chamber length. Copyright 1995-2023 eBay Inc. All Rights Reserved. .303 British Headspace Gauge Set (4) P14/Enfield/SMLE. Reloading Supplies, Shooting Supplies, Reloading Tools. Unfortunately, Lee Enfield actions can stretch with use due to their design. $4459. blinderthanascope Well-Known Member Joined Jun 25, 2015 SM208, Skip to the beginning of the images gallery. selling ammunition, reloading supplies and accessories. Headspace on the "tighter" side (but > 0.064) reduces the amount of strain of the brass case in the web area. The bolt handle is in the 3 o clock position when viewed from behind. Improper headspace may be dangerous to the shooter as well as an impairment to accuracy. The max allowable headspace (in the case of the CIP, this is the air space between the max ctg R and the breech face) is 0.15 mm. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo. The TECTAL headspace gauges .303 British / Lee-Enfield are characterized by: The amount of primer protrusion roughly equals the space between the bolt head face and the cartridge head.