A gage used to determine the acceptability of headspace of a firearm.
Classification: Micrometers and calipers
NSN 5996-01-560-6587
NSN 5975-00-943-6766
NSN 5930-00-891-2793
NSN 5998-01-254-3377
NSN 5975-01-424-0517
NSN 4140-01-444-3400
NSN 6135-01-029-9315
NSN 5925-01-555-0244
NSN 6610-01-460-1385
NSN 6685-00-216-6676
NSN 5985-01-167-5898
NSN 6645-01-243-0468