Bidspirit auction | Yankee Hill Machine AR-15 Semi-Automatic

Yankee Hill Machine AR-15 Semi-Automatic Upper Receiver Assembly 5.56 NATO with 16 Inch Barrel - This AR-15 pattern upper receiver assembly is chambered in 5.56 NATO and configured for use with semi-automatic lower receivers. The assembly is built around a matte black finished flat-top upper receiver with an integral Picatinny rail, featuring a forward assist and a spring-loaded dust cover. An Anchor Harvey split A forge mark is present above the forward assist. It is equipped with a Yankee Hill Machine free-float quad-rail handguard with hexagonal ventilation cutouts and a diamond-shaped logo containing the letters Y, H, M. The handguard rails are laser-engraved with positional markings including T16 through T44 on the top, R2 through R28 on the right, and L2 through L28 on the left. The barrel is marked 5.56 NATO 1/9 indicating the chambering and a 1:9 twist rate. The barrel terminates in a threaded muzzle. This assembly is offered without a bolt carrier group, charging handle, or muzzle device. Note - All firearms require a federal 4473 background check.