Ar-15 upper receiver stripped is a forged (Cerro key hole marking) made out
of 7075 aircraft aluminum. It’s a flat top ar-15
stripped receiver with picatinny a3 rail system to mount sights red dots or
scopes. We defiantly recommend our Cerro ar-15
stripped upper receiver forging for your next build or replacing your model
1 a2 upper receiver . M4 broker
stock these items and it ready to be shipped.