THE BEST SIDE OF KNIGHTS ARMAMENT SR-15 16 UPPER

Observe:  This is a completely new upper receiver.  Charlies receives these as both new in box and rake-offs from new rifles.  In 2023, most are not too long ago removed from a complete rifle, as Knights continues to be pretty slow to challenge pieces.The MAMS Brake is meant to diffuse higher-force muzzle gases, which serves to increase the rifl