Harrington & Richardson C7 Stripped Upper Receiver, Black | Palmetto State Armory
TNTE Billet C7/C8/M16E1 Upper Receiver with M4 Ramps-Stripped - TNTE Sales Inc.
The LUTH-AR Retro A1 Rifle Parts Lineup Is Extensive and Awesome
A1 Stripped Upper Receiver, C7 Style (w/ Case Deflector)
Finally got a C7 upper : r/RetroAR
BROWNELLS AR-15 C7 STRIPPED UPPER RECEIVER
C7 Upper. What would we do without Luth? : r/RetroAR
RECOIL - Checkout the Sleeper Carbine, a gun with groovy retro-style powered by modern parts under the hood: -Upper Receiver: Luth-AR C7 with M4 Feed Ramps: $150 -Lower Receiver: Echo93: $105 Trigger