Description
-
Diamondback Firearms Item Number: 556P55H50B8R
-
AR-15 Barrel
-
Caliber: 5.56 NATO
-
5.5″ 4150 Chrome Moly Steel
-
Heavy Profile
-
Button Rifled, 1:8″ Twist
-
M4 Feed Ramps
-
Threaded 1/2×28
-
Pistol Length Gas System
-
Black Nitride Finish
