ONE HORSE 300BLK COMPLETE UPPER RECEIVER W/SOCOM PISTOL BBL FOR AR-15
Upgrade your rifle with a versatile 16" .300 Blackout complete upper receiver built for reliable performance, modular flexibility, and consistent accuracy. Designed to handle a wide range of shooting applications, this upper performs effectively with both subsonic and supersonic loads.
At the core is a 16" .300 Blackout barrel paired with a pistol-length gas system, delivering reliable cycling—especially when running subsonic ammunition or suppressed setups. This configuration enhances function across various loads while maintaining smooth operation.
The 15" free-float M-LOK handguard improves barrel stability for increased accuracy while offering ample space for mounting lights, grips, and accessories. Its slim, lightweight design ensures excellent handling without sacrificing durability.
A nitride bolt carrier group provides dependable cycling with added corrosion resistance and long service life. Combined with a full-length Picatinny rail, this upper is ready for optics and accessories right out of the box.
Fully assembled and compatible with standard mil-spec AR-15 lowers, this upper is designed for quick installation and immediate use.
FEATURES
- 16" .300 Blackout Barrel – Optimized for both subsonic and supersonic ammunition
- Pistol-Length Gas System – Reliable function, especially for suppressed and subsonic use
- 15" M-LOK Free-Float Handguard – Enhanced accuracy with modular accessory mounting
- Nitride Bolt Carrier Group – Durable, corrosion-resistant, and low maintenance
- Full-Length Picatinny Rail – Ready for optics and attachments
- Versatile Performance – Ideal for range, hunting, and suppressed setups
- Mil-Spec Compatibility – Fits standard AR-15 lower receivers
- Made in USA – Built with quality materials and craftsmanship
WHAT’S INCLUDED
- Complete upper receiver assembly
- 16" .300 Blackout barrel
- 15" M-LOK free-float handguard
- Nitride bolt carrier group (BCG)
- Charging handle
- Steel barrel nut and mounting hardware
SPECIFICATIONS
- Caliber: .300 AAC Blackout
- Barrel Length: 16"
- Gas System: Pistol-Length
- Handguard Length: 15"
- Muzzle Thread: 5/8x24
- Rail: Picatinny top rail
- Compatibility: Mil-Spec AR-15 lowers
- Country of Origin: USA
Threaded Barrel Restriction:
Threaded Barrels have restricted shipping to CA.
WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
