Selling a lightly used ar15 proof research 18 inch carbon fiber barrel. 223/556, 1-8 twist, 1/2x28 threaded muzzle. Barrel is used but only has about 300rds through it. Including a brownells lightweight bolt carrier group with a nickel boron coating, and an aero precision adjustable gas block with gas tube.
BCG - $100
Gas block and tube $80
Proof barrel $600
All 3 together $675 shipped
BCG - $100
Gas block and tube $80
Proof barrel $600
All 3 together $675 shipped
