Forster Headspace Gage .223 Rem Go 1.436 - HG0223G

A precision headspace gage designed to measure rifle chamber length and detect excessive headspace conditions that can affect accuracy and safety. This GO gage is calibrated to .223 Remington specifications and is an essential tool for gunsmiths and reloaders performing case prep and chamber verification. Proper headspace measurement prevents unsafe conditions such as brass rupture and gas blowback.