One Horse Complete Upper Receiver .300 Blackout 7.5″ Barrel 7″ M-LOK Handguard Nitride BCG & Charging Handle

Master close-quarters performance with this ultra-compact 7.5″ .300 Blackout Complete Upper Receiver. Featuring a 7.5″ barrel with a 1:7 twist rate this upper ensures optimal stabilization for both subsonic and supersonic rounds making it perfect for tactical suppressed or AR15 pistol builds. The 7″ M-Lok handguard provides a lightweight modular platform for mounting accessories while the nitride-finished bolt carrier group delivers smooth cycling enhanced durability and low maintenance. Complete with a charging handle and built to Mil-Spec standards this upper is ready to pair with any AR15 Mil-Spec lower receiver for a seamless high-performance setup.