AR15 16" 300 BLK Upper Receiver 300 Blackout AR15-Upper AR15-Upper-Receiver (2) |

This AR-15 complete 300 Blackout rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top forged upper receiver, a bolt carrier group, a flash hider, and a rear charging handle. This 300 Blackout upper is compatible with any mil-spec AR-15 lower.

Weight (lbs)    5.75
Length    16
Profile    Heavy Barrel
Twist    1:8
Finish    Parkerized
Material    4150 Chrome Moly Vanadium
Thread Pitch    5/8 x 24
Caliber    .300 Blackout
Feed Ramp    .300 Blackout Feedramp
Flutes    Non-fluted
Gas System    Carbine
Gas Block System    0.750
Charging Style    Rear Charging
Classification    Complete Upper Assembly
Platform    AR-15
Bolt Material    E9310
Receiver Material    Forged