Ghost Firearms Vital Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Vital Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard A2 Birdcage. 56 Complete Upper Receiver w/ Rifle Lower Parts Kit is a high-quality kit that includes everything you need to complete your lower group. This Rifle Lower Parts Kit by Ghost Firearms is the same as the one we use to build our custom ARs but we shaved a little weight by using the skeletonized upper to begin with. The Ghost Firearms Vital 5.56 Carbine