Elevate your AR-15 build with the One Horse 16" .300 BLK SOCOM Pistol 1:7 M-LOK Complete Upper, a precision-engineered powerhouse designed for tactical enthusiasts and home defense setups. Crafted by American-made experts at One Horse, this complete upper delivers unmatched reliability and versatility in the .300 Blackout caliber, allowing seamless switching between supersonic and subsonic ammunition for optimal performance in any scenario. Key Features 16" SOCOM Barrel Profile: Heavy-duty design with nitride/melonite finish for superior corrosion resistance and heat dissipation, ensuring longevity during extended sessions. Pistol-Length Gas System: Optimized for smooth cycling with both super and subsonic rounds, reducing recoil and enhancing control for faster follow-up shots. 1:7 Twist Rate: Stabilizes heavier bullets, including 220-grain subsonics, for pinpoint accuracy at various ranges. 15" M-LOK Free-Float Handguard: Lightweight aluminum construction with modular M-LOK slots for easy attachment of lights, grips, or lasers without added bulk. Included Nitride BCG and Charging Handle: High-quality components for reliable operation and effortless charging, ready to drop onto your compatible lower. Specifications Caliber: .300 Blackout (300 BLK) Barrel Length: 16 inches Barrel Finish: Nitride / Melonite Gas System: Pistol length Twist Rate: 1:7 Handguard: 15" M-LOK Weight: Approximately 70 oz Compatibility: Standard AR-15 platforms Why Choose This .300 BLK Complete Upper? For shooters frustrated with inconsistent cycling in multi-caliber builds or seeking a suppressor-ready option without compromising on durability, the One Horse SOCOM upper stands out. Its pistol gas system tackles common issues like over-gassing in subsonic loads, providing reliable function whether you're running suppressed home defense rounds or supersonic varmint hunters. Built with American precision, it offers a balance of weight and maneuverability-ideal for pistol configurations-while the M-LOK rail system allows customization to fit your tactical needs. Experience enhanced accuracy and reduced wear on your firearm, making every shot count in the field or at the range. Ready to upgrade your setup? This complete upper is your gateway to versatile .300 Blackout performance-pair it with your trusted lower and hit the ground running with confidence in its rugged, USA-crafted design.