Description
M77-B1 .308 Win / 7.62×51 barrel in 19.6″ length, made from 41V50 steel with a chrome-lined bore and blued exterior. Features 14×1 LH muzzle threads, .908″ chamber journal, and a 1:10 twist. Gas port is not drilled but spotted with a suggested minimum of 48 (0.076″). US-made and counts as a 922(r) compliant part.
- Caliber: .308 WIN / 7.62×51 NATO
- Length: 19.6″
- Material: 41V50
- Finish: Chrome-lined bore + blued exterior
- Muzzle Threads: 14×1 LH
- Chamber Journal: .908″
- Twist Rate: 1:10
- Gas Port: undrilled, spotted; suggested min 48 (0.076″)
- Country of Origin: USA
- 922(r): Yes (US-made)
- Option: Blued
Notes: Builder is responsible for all applicable local, state, and federal laws.
