A gage used to determine the acceptability of headspace of a firearm.
Classification: Micrometers and calipers
NSN 5998-01-654-5560
NSN 5985-01-642-2461
NSN 5985-01-406-5927
NSN 5895-01-148-2156
NSN 6135-01-290-1594
NSN 4140-01-064-1684
NSN 5985-00-627-3996
NSN 5910-01-023-1406
NSN 5945-00-779-2946
NSN 5930-00-931-2775
NSN 5895-01-550-8140
NSN 5999-01-590-2257