ATI Milsport 300 Blackout Upper Receiver 16in
Complete upper receiver assembly in 300 Blackout with 16-inch barrel, 1:8 twist rate, and 15-inch M-LOK handguard. Includes A2 flash hider and polymer sights for immediate deployment.
ATI Milsport 300 Blackout Upper Receiver
The ATI Milsport upper receiver assembly delivers practical performance for shooters seeking a complete, ready-to-mount solution in the increasingly popular 300 Blackout cartridge.
Key Features
- Caliber & Barrel: 300 Blackout with 16-inch barrel and 1:8 twist rate for reliable bullet stabilization across a wide range of ammunition weights
- Handguard: 15-inch M-LOK rail system provides extensive mounting real estate for optics, lights, lasers, and other tactical accessories
- Muzzle Device: A2 flash hider helps reduce muzzle signature and flash bloom
- Sights: Included polymer sights offer a functional aiming solution out of the box
- Finish: Black nitride barrel coating resists corrosion and wear
Why Choose This Upper
The 300 Blackout cartridge has earned respect among serious shooters for its performance in both supersonic and subsonic loads. The 1:8 twist rate handles the full spectrum of available ammunition, making this upper versatile for hunting, home defense, or general shooting. The M-LOK handguard follows modern ergonomic standards, allowing you to configure your rifle exactly as you need it.
Simply mount this upper to a compatible lower receiver and you're ready to shoot. No gunsmithing required.
Features
- complete 300 blackout upper assembly
- 16 inch barrel length
- 1:8 twist rate
- 15 inch m-lok handguard
- a2 flash hider installed
- includes polymer sights
- 15" mlok handguard
- includes bolt/charging handle
