.22 Rimfire Cartridge Headspace Gauges - No Go Gauge, Fits .17 Hmr

.22 Rimfire Cartridge Headspace Gauges - No Go Gauge, Fits .17 Hmr - Manson Precision
Brand Manson Precision
MPN NG22WRFM
Caliber .17 Hornady Magnum Rimfire (HMR)
MSRP $54.99
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Description
Gives the proper chamber headspace dimensions so you know a firearm is safe to fire. GO gauge gives the SAMMI-recommended, minimum chamber depth. NO/GO is slightly longer than the SAMMI-recommended to identify excessive chamber depth and an unsafe condition. Precision-ground and hardened to provide long service life.MIXING AND MATCHING BRANDS OF HEADSPACE GAUGES - Don't do it!! That's the short answer, here's why. It boils down to tolerance stacking. Each Headspace Gauge manufacturer works within a range specified by SAAMI. Manufacturer ''''A'''' may work at the high end of the range while Manufacturer ''''B's'''' gauges are in the middle of the tolerance range. Mixing the two could give an inaccurat Mfg: Manson Precision SPECS: M7 high speed steel, in-the-white, hardened.