A gage used to determine the acceptability of headspace of a firearm.
Classification: Micrometers and calipers
NSN 6620-01-441-0240
NSN 6145-01-299-4783
NSN 5920-01-526-7220
NSN 6220-01-421-4448
NSN 5945-01-475-4950
NSN 5965-01-205-6249
NSN 5855-00-896-4047
NSN 6685-00-071-2746
NSN 6645-00-901-9281
NSN 5910-01-022-8103
NSN 6620-01-421-3917
NSN 5960-01-649-1341