Ozzistraightshooter Chamber Headspace Gauge set for 45ACP.

Precision 45ACP chamber head-space gauge set.Made to CIP European standard dimensions. Set includes GO gauge and NO-GO gauge. With these tools you can check the cartridge headspace. These are top quality tools designed for professional use.Should only be used by a professional Gunsmith. Made in Serbia from German Bohler S705 steel.