12 in 5.56 
Centurion Arms CM4 forged upper receiver
4 prong Suppressor compatible surefire flash hider
Troy enhanced drop-in battlerail 10 In
Noveske CHF Chrome Lined Lo-Pro Gas Block Barrel 
mil-Spec black nitrate BCG w/ mil-spec charging handle
custom Areo precision X15 lower
SB Tactical SBM4 Pistol Brace 
Ma Tech BUIS Rear Sight
knights Armament Front Sight
front not attached currently but WILL be provided with rifle