Front barrel bushing
A cylindrically-shaped headed item, having circular or longitudinal groove(s).
NSN 6105-01-047-0220
NSN 6685-01-123-9275
NSN 6105-00-050-4373
NSN 6240-01-458-5730
NSN 5910-00-659-8612
NSN 6320-00-284-1524
NSN 5905-01-364-9573
NSN 5990-00-479-9157
NSN 5915-00-361-9148
NSN 6105-00-406-0472
NSN 5925-01-013-1451
NSN 5930-00-501-8871