Headspace Gages (Gauges) | Northland Shooters Supply, Headspace Gauge & the AR School of the American Rifle, Forster Go No Go Gauges – Natchez, Headspace Gages – Forster Products, The NO – GO gauge is a valuable tool for checking a newly-reamed chamber in order to ensure a tight and accurate chamber. FIELD: Corresponds to the longest safe headspace. If a rifle closes on a FIELD gauge , its chamber is dangerously close to, or longer than, SAAMIs specified maximum chamber size. If chamber headspace is excessive, the gun …
5.56 Go No Go Gages found in: Forster Headspace Gage 5.56 NATO – 1.4736 plus zero minus .0003 (maximum chamber), Gages are made with painstaking care and exacting manufacturing standards to ensure accurate..
12/6/2013 · Not sure, but, the Colt field gauge is sufficient, Brownell’s has them. ( 5.56 ) But, as has been discussed many times, and there are many differing opinions on the subject, if you have quality parts, there is really no reason to check head space. Now if you buy from Joe Blow’s AR plumber shop, then check it.
Forster Headspace Gage 5.56 NATO – 1.4736 plus zero minus .0003 (maximum chamber) closes on a GO gage, the rifle chamber will accept any ammunition that is made within S.A.A.M.I. (industry standard) specifications. If a rifle closes on a NO GO gage, the rifle chamber might have excessive