Ozzistraightshooter Chamber Headspace Gauge set for 303 British.

Precision 303Brit head-space gauge set.Made to CIP European standard dimensions.Perfect to check your ex mil Lee Enfield to ensure safety. 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.