A gage used to determine the acceptability of headspace of a firearm.
Classification: Micrometers and calipers
NSN 6650-01-571-7122
NSN 5905-01-529-2517
NSN 5975-01-380-6521
NSN 6240-01-188-6968
NSN 5895-00-937-9236
NSN 5950-00-097-4085
NSN 5910-00-872-5047
NSN 6240-00-829-4179
NSN 2925-01-231-6312
NSN 7035-01-397-5009
NSN 6645-01-370-5264
NSN 6105-00-259-1692