Front barrel bushing
A cylindrically-shaped headed item, having circular or longitudinal groove(s).
NSN 6135-01-421-1052
NSN 6135-01-483-1501
NSN 6620-01-265-2342
NSN 6110-01-234-9854
NSN 6105-01-025-1497
NSN 6130-01-431-8858
NSN 5985-00-830-4259
NSN 5920-01-045-1484
NSN 6135-01-627-6921
NSN 5930-01-409-2952
NSN 6240-00-866-6239
NSN 6130-01-280-9565