Eemann Tech Pistol Ammo Chamber CheckerEemann Tech Pistol Chamber Checker allows you to check that ammunition is not too tight or loose to fit in their chamber it is ideal for reloaders or shooters who want to ensure all your ammo is in spec before you shoot that critical match. This tool helps you avoid jams, misfires, feeding problems, and other malfunctions caused by out of spec ammo that can cost you precious points or the whole match. Just drop loaded rounds into the chamber checker,