Luth-AR A1 / C7 Stripped AR-15 Upper Receiver - M4 Feed Ramps - Open Box

Luth-AR A1 Assembled Upper Receiver w/ A1 Rear Sight Base Assembly, Black - UR-01A

Luth-AR Stripped NC15 Forged Upper Receiver - FTT-EA

Luth-AR A2 Carry Handle Style Stripped Upper Receiver w/A2 Rear Sight Cut, Black

Luth-AR Stripped NC15 Forged 308 Upper Receiver - 308-FTT-EA

Luth-AR A3 Complete Upper Receiver Assembled 14.5in SOCOM Profile Barrel 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ F Marked FSB and and 2-Piece CAR

LBE Unlimited M4 Stripped Upper Receiver, Fits AR15, Black Finish ARSTUP

LBE Unlimited A2 AR-15 Stripped Upper Receiver