Ozzistraightshooter Chamber Headspace Gauge

set for 300 Winchester Magnum.

Precision 300 Win Mag head-space gauge set.Made to CIP European standard dimensions.Perfect to check your Belted Magnum 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.