10.5" .300BLK Phosphate Pistol M-LOK Heavy Upper Assembly
Compact Power, Built to Perform – Engineered for the .300 Blackout Advantage
Out of stock
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
| Weight | 35.008 oz |
|---|---|
| Dimensions | 19.5 × 5 × 5 in |
| Barrel Finish | Mag Phosphate |
| Barrel Profile | Heavy |
| Cartridge Compatibility | 300 BLK |
| Barrel Length | 10.5 |
| Gas System Length | Pistol |
| Twist Rate | 1:7 |
| BCG / Charging Handle | Not Included |
| UPC | 26974 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.