Description
10.5″ .300BLK Phosphate Pistol M-LOK Heavy Upper AssemblyCompact Power, Built to Perform – Engineered for the .300 Blackout AdvantageWhether 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 like a mil-spec forged upper receiver and 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.SpecificationsBarrel Finish: Mag PhosphateBarrel Profile: HeavyCartridge Compatibility: .300 BlackoutBarrel Length: 10.5″Gas System Length: PistolTwist Rate: 1:7BCG / Charging Handle: Not IncludedHandguard: M-LOK (style may vary)Warranty: Limited LifetimeGuaranteed Sub-MOA performance with match grade ammo and proper shooting techniqueMade in the USA




