A gage used to determine the acceptability of headspace of a firearm.
Classification: Micrometers and calipers
NSN 5999-00-078-9347
NSN 5999-00-230-9304
NSN 6650-00-238-1199
NSN 6150-00-537-4333
NSN 6645-01-452-2946
NSN 6240-01-501-9338
NSN 6135-01-255-9129
NSN 6130-01-136-9903
NSN 6110-01-313-3767
NSN 5935-01-213-7384
NSN 4140-01-515-9863
NSN 5905-00-286-8564