Made from 7075 Billet Aluminum, USA Mill made
Plus, left side slot in order to use with our or any other bolt carrier modified to have a left side reciprocating charging handle installed.
This upper receiver can work with or without a modified bolt carrier.
Billet upper receiver for PCC only ( Blowback system only )
New and more rigid design ( Octagonal ).
Heavy Black Hard Coat Mil Spec.