FS - used in very good condition Bushmaster M4A3 14.5" with AK74 brake perm. mounted. Comes complete with BCG and CH. SOLD $400 shipped & insured, USPS Money Order or PP accepted for payment.
I’ve gone through the whole upper checking over everything. I did pull the carrier key, lapped it and installed red loc-tite, torqued to 45in lbs and staked it with a MOACKS tool.
