Here we have a built AR 15 with a Wilson Combat Lower Receiver and a Bear Creek Arsenal upper guaged in .300 Blackout.  This AR comes with a picatinny rail mounted green dot laser sight. This unit comes with 1 30 round magazine. More mags and accessories are available at additional costs. It has a 16" heavy metal barrel with a 15" MLOK and Picatinny ports to mount accessories. BC-15 | .300 Blackout Upper | 16” Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | 15” MLOK