Chamber headspace gauge GO NO-GO set for 300 BLACKOUT.
Ozzistraightshooter Chamber Headspace Gauge set for
300 BLACKOUT Rifles.
Precision 300 Blackout 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 chamber 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.