10.5" .300 Blackout Phosphate Pistol M-LOK Heavy Upper Assembly

10.5" .300BLK Phosphate Pistol M-LOK Heavy Upper Assembly Whether you're building a reliable range gun or a duty-ready platform, the 10.5" .300BLK Phosphate Pistol M-LOK Heavy Upper Assembly delivers uncompromising performance in a compact footprint. Designed with precision and durability in mind, this upper features a rugged, heavy-profile barrel and a streamlined M-LOK handguard for modern accessory mounting. The pistol-length gas system supports both subsonic and supersonic loads for versatility across a range of applications. Built using trusted components, such as a mil-spec forged upper receiver and a nitrided A2 flash hider, this assembly is torqued and treated with premium materials to ensure lasting reliability. Whether for suppressed builds or hard-use scenarios, this upper is engineered to deliver sub-MOA performance when paired with quality ammo and technique-and it's proudly made in the USA. Specifications Barrel Finish: Mag Phosphate Barrel Profile: Heavy Cartridge Compatibility: .300 Blackout Barrel Length: 10.5" Gas System Length: Pistol Twist Rate: 1:7 BCG / Charging Handle: Not Included Handguard: M-LOK (style may vary) Guaranteed Sub-MOA performance with match-grade ammo and proper shooting technique Made in the USA