The AR-Stoner LR-308 T-Series Upper Receiver Assembly is ready to be assembled to a complete lower and fired! This LR-308 billet upper features a bolt carrier group, a barrel and an Slim free float M-Lok handguard. Securely mount popular accessories directly to the precision M-Lok cutouts. This sleek and ergonomic free float handguard meets shooters needs without sacrificing strength and performance. The AR-STONER LR-308 Upper is patterned after DPMS and will work with DPMS style parts/lowers.The A3 upper assembly comes complete with charging handle, forward assist, ejection port cover, flash hider, bolt and bolt carrier assembly. Supplied without sights, this upper is a great platform for a precision scope or iron sights (both sold separately). FeaturesBolt Carrier Group, Nitride finish, HPT/MPISlim Mlok Free Float Hand GuardMil-Spec Charging Handle Alum.Dust CoverForward AssistA2 bird cage flash hiderDPMS style Low Profile billet Upper Receiver