When safety and performance are on the line, choose our headspace gages and receive the peace of mind that comes with knowing and understanding how to check your rifles headspace. Stripped to its essentials, with a rimmed cartridge like the .303, headspace is simply the distance between the front of the bolt and the back of the barrel. CIP (see explanation below) states that the max cartridge rim thickness R is 1.63 mm; min barrel relief R is also 1.63 mm. NO GO:Stamped "N" used to determine if the firearm has a long headspace.If the bolt fully closes on this gauge the Field Gauge will be needed next to check for excessive headspace.If the bolt dose not close on the gauge then the firearms headspace is with-in the proper specifications. Red Dot, Holographic, Magnifiers & Laser Sights, Angle Degree Indicators & Reticle Levelers, HORNADY 30c(.308) 150gr FMJBT BULLET BULK 2100/CS, HORNADY 303/7.7MM(.312) 174gr BULLET RoundNose 100/BX, DILLON XL650/750 303 BRITISH CONVERSION KIT, PRVI PARTIZAN BULLET 303cal (.311) 170gr FMJBT(M30 7.62)50/B. "Corruptissima re publica plurimae leges" - Tacitus. 5: DISASSEMBLY AND REASSEMBLY GUIDE Terence J. Evans 118 Paperback $15.00 Most purchasedin this set of products *American National Standards Institute, New York, NY, represents and serves the diverse interests of more than 270,000 companies and organizations and 30 million professionals worldwide by promoting and facilitating voluntary consensus standards and conformity assessment systems, and safeguarding their integrity. 308 Winchester Headspace Gauge Set Go and No-go - eBay Details Original issue Headspace Gauge, .303 British, MINIMUM, 1.63 mm (0.064 in.) 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. 99. 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. Visit the Forster Products Store. Reviewed in the United States on December 19, 2014. . head does not lift off the rib of the body. Checking ME 303 Headspace - British Militaria Forums Okie Headspace Gauges - The Russian Mosin Nagant Forum The gauges they just made were the Go Gauges. I have had a number of case head separations, not because of excessive headspace, but from excessive number of reloads. Whenever you buy a used gun, always check the headspace before firing. Only 9 left in stock - order soon. .303 Head Space Gauge Suppliers - Enfield-Rifles.com SPECS: Machined Steel. All Rights Reserved. Forster Headspace Gages are made to exacting manufacturing standards to ensure accurate testing of your rifle's chamber. Vintage CARON ACACIOSA PERFUME - Sealed Art Glass Bottle In Original Box, WWII US Army USAAF Wool Enlisted Man EM Crusher Style Visor Cap Hat LARG, 2 Antique Hand Painted Hat Pin Holders Belleek Willets Nippon Green Pink, Ss Polizei Photo & Ss Feldpost Group - Poland< Ghettos ++. Your question might be answered by sellers, manufacturers, or customers who bought this product. Its a headspace gauge. For the best experience on our site, be sure to turn on Javascript in your browser. We are sorry.
303 british headspace gauge set