New frontier pistol cal upper side charger billet black
FEATURES: Other Features:
-Machined from 6061 aluminum
-Compatible w/ all Glock Mag AR-9 components & most aftermarket parts
-Adjustable tension slide lock on charging handle
-Rear dust cover trap door that seals shut when mated w/ lower
Billet aluminum upper receiver use for most caliber pistols accepts most standard ar15 aftermarket parts.Includes last round hold open feature designed to match lines with new frontier c9 & c45 billet lower receivers.Not machined for gas tube.Intended to be used with blowback systems.