AR-STONER AR-15 Complete Upper 300 Blackout 10" Barrel M-LOK

This AR-STONER AR-15 Pistol Upper Receiver Assembly is being offered at an exceptional price! This AR-STONER upper features a mil-spec bolt carrier group. The upper will attach to virtually any standard AR-15 lower receiver. The AR-STONER AR-15 Pistol Upper Receiver Assembly comes complete with charging handle, shell deflector, M-LOK handguard. This AR-15 Pistol upper does not include a front or rear sight, making it a great platform for a red dot or scope (sold separately). FeaturesLow Pro Gas BlockDry Film LubedT-MarkingsForward AssistEjection Port Assembly