Luth-ar UR-01-M16-A A1 Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver for M16

Luth-ar UR-01A A1 Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver

M4-EXO3 300 AAC BLACKOUT ASSEMBLED UPPER RECEIVER

M4E1 ASSEMBLED UPPER RECEIVER .300 BLACKOUT BLACK

MARS-H SOPMOD COMPLETE LOWER RECEIVER

MCR BELT-FED UPPER RECEIVER FULL AUTO

BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER

AR-15 MK12 MOD 0 SPR GEN II 5.56X45 NATO UPPER RECEIVER

AR-15 MK12 MOD 0 SPR GEN II 5.56X45 NATO UPPER RECEIVER

AR-15 MK12 MOD 0 GEN III 5.56X45 NATO UPPER RECEIVER

MRP-H M-LOK 7.62MM ASSEMBLED UPPER RECEIVER

MRP-H QUAD 7.62MM ASSEMBLED UPPER RECEIVER

MRP-L M-LOK SHOVELHEAD 5.56MM ASSEMBLED UPPER RECEIVER

MRP-L QUAD 5.56MM ASSEMBLED UPPER RECEIVER

OPENTOP 11/22 STRIPPED RECEIVER

OPENTOP 11/22 STRIPPED RECEIVER

OPENTOP 11/22 STRIPPED TAKEDOWN RECEIVER FOR RUGER® 10/22

OPENTOP 11/22 STRIPPED TAKEDOWN RECEIVER FOR RUGER® 10/22

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Patriot Brown Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Rogue Complete Upper 308 Win 16.50" Stainless Barrel, OD Green Anodized, Micro-B Muzzle Brake, 11" M-LOK Handguard

Patriot Ordnance Factory 00626 P415 Gen 4 Black Hardcoat Anodized Aluminum