AR15 6.5 Grendel 16" carbine length 1:8 twist w/ Key Mod hand guard gun black upper assembly

Upper Receiver Kit with clamp on style handguard

M4 Upper receiver hard anodized

Caliber:

16" 6.5 grendel

7" , 10", 12" or 15" Clamp On Style Hand Guard

Ejection Port Cover

Forward Assist

BCG and charging handle included