OfficeFax on X: "My NCR Service Rifle clone: The big breakdown Upper receiver: C7 profile upper receiver, 20" pencil profile barrel, A1 birdcage Furniture: Black Guns Wood, call in to order an
Thought I bought a C7 upper. Noticed something interesting once I got home : r/RetroAR
BROWNELLS AR-15 C7 STRIPPED UPPER RECEIVER
A1 Stripped Upper Receiver, C7 Style (w/ Case Deflector)