Quick view Assembled M4 Upper Receiver with Port Door and Forward Assist - Choose Color MSRP: $139.95 MSRP: $139.95 Sale Price: $64.95 - $84.95 Click for Price IN STOCK View More
Quick view 80% Lower + Stripped Upper Receiver Set ^ MSRP: MSRP: Sale Price: $89.95 - $129.95 Click for Price IN STOCK View More
Quick view RTB 5.56 Barrel + FREE Upper Receiver - Stripped MSRP: $299.99 MSRP: $299.99 Sale Price: $91.95 - $120.95 Click for Price IN STOCK View More
Quick view 80% Lower + Stripped Upper Receiver Set - Fire / Safe Engraved ^ MSRP: MSRP: $260.00 Sale Price: $94.95 - $134.95 Click for Price IN STOCK View More
Quick view Cerakoted Stripped AR-15 Upper Receiver - Choose Color MSRP: $119.99 SALE PRICE: $79.95 Click for Price IN STOCK View More
Quick view AO Precision M4 Flat Top Upper Receiver - Stripped MSRP: $100.99 SALE PRICE: $50.95 Click for Price IN STOCK View More
Quick view RTB 300BLK Barrel + FREE Upper Receiver - Stripped MSRP: $299.99 MSRP: $299.99 Sale Price: $108.95 - $127.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" 5.56 Upper Receiver | A2 | 13.5" M-LOK | with BCG & CH MSRP: $543.95 MSRP: $543.95 Sale Price: $380.95 - $429.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" 5.56 Upper Receiver | A2 | 12" M-LOK | with BCG & CH MSRP: $507.95 - $530.95 MSRP: $543.95 Sale Price: $374.95 - $428.95 Click for Price IN STOCK View More
Quick view BG 11.5" 5.56 Upper Receiver | A2 | 9" M-LOK | Without BCG & CH MSRP: MSRP: $419.95 Sale Price: $196.95 - $228.95 Click for Price IN STOCK View More
Quick view BG 10.5" 5.56 Upper Receiver | A2 | 9" M-LOK | Without BCG & CH MSRP: MSRP: $412.95 Sale Price: $183.95 - $218.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" 5.56 Upper Receiver | A2 | 15" M-LOK | with BCG & CH MSRP: $544.95 MSRP: $544.95 Sale Price: $381.95 - $434.95 Click for Price IN STOCK View More
Quick view RTB 10.5" 300 BLK Upper Receiver - Black | FLASH CAN | 12" M-LOK | Without BCG & CH MSRP: MSRP: $499.95 Sale Price: $278.95 - $318.95 Click for Price IN STOCK View More
Quick view M4 Flat Top Upper Receiver - Stripped MSRP: $89.99 SALE PRICE: $59.95 Click for Price IN STOCK View More
Quick view BG 10.5" 300 BLK Upper Receiver | A2 | 9" M-LOK | Without BCG & CH MSRP: MSRP: $417.95 Sale Price: $188.95 - $223.95 Click for Price IN STOCK View More
Quick view BG Complete 8" 300 BLK Upper Receiver | A2 | 7" M-LOK | With BCG & CH MSRP: $394.95 - $424.95 MSRP: $424.95 Sale Price: $224.69 - $244.69 Click for Price IN STOCK View More
Quick view BG 8" 300 BLK Upper Receiver | A2 | 7" M-LOK | Without BCG & CH MSRP: $394.95 - $424.95 MSRP: $424.95 Sale Price: $190.69 - $200.69 Click for Price IN STOCK View More
Quick view BG 7.5" 300 BLK Upper Receiver | A2 | 7" M-LOK | Without BCG & CH MSRP: MSRP: $422.95 Sale Price: $183.95 - $219.95 Click for Price IN STOCK View More
Quick view BG Complete 9" .22LR Pencil Upper Receiver | A2 | 7" BX Series M-LOK| with BCG & CH MSRP: MSRP: $498.95 Sale Price: $326.95 - $359.95 Click for Price IN STOCK View More
Quick view BG Complete 9" .22LR Pencil Upper Receiver | Flash Can | 9" BX Series M-LOK| with BCG & CH MSRP: MSRP: $505.95 Sale Price: $334.95 - $369.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" 5.56 Upper Receiver - Black | A2 | 13.5" M-LOK | Mid Length | With BCG & CH MSRP: $526.95 SALE PRICE: $380.95 Click for Price IN STOCK View More
Quick view RTB 16" 5.56 Upper Receiver - Black | A2 | 13.5" M-LOK | Mid Length | Without BCG & CH MSRP: $471.95 SALE PRICE: $272.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" 5.56 Upper Receiver - Black | A2 | 12" M-LOK | Mid Length | With BCG & CH MSRP: $528.95 SALE PRICE: $376.95 Click for Price IN STOCK View More
Quick view RTB 16" 5.56 Upper Receiver - Black | A2 | 12" M-LOK | Mid Length | Without BCG & CH MSRP: $472.95 SALE PRICE: $268.95 Click for Price IN STOCK View More
Quick view BG Complete 4.5" .22LR Upper Receiver - Black | 4" M-LOK | 2 CMMG Mags | 50 Rounds Ammo MSRP: $516.95 SALE PRICE: $387.95 Click for Price IN STOCK View More
Quick view BG Complete 16" .22LR Lightweight Upper Receiver - Black | 15" M-LOK | 2 CMMG Mags | 50 Rounds Ammo MSRP: $529.95 SALE PRICE: $409.95 Click for Price IN STOCK View More
Quick view BG Complete 12.5" 5.56 Upper Receiver | A2 | 9" M-LOK | with BCG & CH MSRP: MSRP: $472.95 Sale Price: $272.95 - $314.95 Click for Price IN STOCK View More
Quick view BG Complete 16" 5.56 Upper Receiver | A2 | 12" M-LOK | with BCG & CH MSRP: $469.95 MSRP: $475.95 Sale Price: $276.95 - $319.95 Click for Price IN STOCK View More
Quick view BG 12.5" 5.56 Upper Receiver | A2 | 12" M-LOK | without BCG & CH MSRP: MSRP: $426.95 Sale Price: $197.95 - $239.95 Click for Price IN STOCK View More
Quick view BG Complete 12.5" 5.56 Upper Receiver | A2 | 12" M-LOK | with BCG & CH MSRP: MSRP: $466.95 Sale Price: $279.95 - $304.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" .22LR Lightweight Upper Receiver - Black | A2 | 12" M-LOK | with BCG & CH MSRP: $563.95 SALE PRICE: $458.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" .22LR Lightweight Upper Receiver - Black | A2 | 13.5" M-LOK | with BCG & CH MSRP: $565.95 SALE PRICE: $362.45 Click for Price IN STOCK View More
Quick view RTB 14.5" 5.56 Upper Receiver (16" OAL) - Black | 13.5" M-LOK | Without BCG & CH MSRP: $475.95 SALE PRICE: $269.95 Click for Price IN STOCK View More
Quick view RTB Complete 14.5" 5.56 Upper Receiver (16" OAL) - Black | 13.5" M-LOK | Mid Length | With BCG & CH MSRP: $531.95 SALE PRICE: $377.95 Click for Price IN STOCK View More
Quick view BG Complete 16" .22LR Pencil Upper Receiver | A2 | 15" BX Series M-LOK| with BCG & CH MSRP: MSRP: Sale Price: $347.95 - $380.95 Click for Price IN STOCK View More
Quick view BG Complete 16" .22LR Pencil Upper Receiver | A2 | 15" M-LOK Slant Cut| with BCG & CH MSRP: $495.95 SALE PRICE: $353.95 Click for Price IN STOCK View More
Quick view BG Complete 9" .22LR Upper Receiver - Black | A2 | 7" M-LOK | 2 CMMG Mags | 50 Rounds Ammo MSRP: $519.95 SALE PRICE: $392.95 Click for Price IN STOCK View More
Quick view RTB 16" 5.56 Upper Receiver - Black | A2 | 12" M-LOK | Without BCG & CH MSRP: $469.95 SALE PRICE: $267.95 Click for Price IN STOCK View More
Quick view RTB 16" 5.56 Upper Receiver - Black | A2 | 13.5" M-LOK | Without BCG & CH MSRP: $471.95 SALE PRICE: $271.95 Click for Price IN STOCK View More
Quick view RTB Complete 18" 5.56 Upper Receiver | A2 | 15" M-LOK | with BCG & CH MSRP: $545.95 MSRP: $545.95 Sale Price: $389.95 - $424.95 Click for Price IN STOCK View More
Quick view RTB 6" 300 BLK Upper Receiver - Black | A2 | 5.5" M-LOK | Without BCG & CH MSRP: $457.95 SALE PRICE: $237.95 Click for Price IN STOCK View More
Quick view RTB Complete 6" 300 BLK Upper Receiver - Black | A2 | 5.5" M-LOK | With BCG & CH MSRP: $513.95 SALE PRICE: $345.95 Click for Price IN STOCK View More
Quick view RTB BCG Upper Build Kit - RTB M16 Black Nitride Bolt Carrier Group with Anodized Upper Receiver and Mil Spec Charging Handle MSRP: $313.98 SALE PRICE: $127.95 Click for Price IN STOCK View More
Quick view Pistol Build Kit - BG Complete 9" .22LR Upper Receiver | 7" M-LOK HG | SB Brace | BN LPK MSRP: $577.95 SALE PRICE: $422.95 Click for Price IN STOCK View More
Quick view Pistol Build Kit - BG Complete 10.5" 300BLK Upper Receiver | 9" M-LOK HG | SB Brace | BN LPK MSRP: $540.95 SALE PRICE: $422.95 Click for Price IN STOCK View More
Quick view Pistol Build Kit - BG Complete 10.5" 5.56 Upper Receiver | 9" M-LOK HG | SB Brace | BN LPK MSRP: $534.95 SALE PRICE: $416.95 Click for Price IN STOCK View More
Quick view BG 10.3" 5.56 Upper Receiver - Black | A2 | 9" M-LOK | Without BCG & CH MSRP: $391.95 SALE PRICE: $171.95 Click for Price IN STOCK View More
Quick view RTB 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4.25" M-LOK | Without BCG & CH MSRP: $437.95 SALE PRICE: $136.95 Click for Price IN STOCK View More
Quick view BG 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4" M-LOK | Without BCG & CH MSRP: $378.95 SALE PRICE: $161.95 Click for Price IN STOCK View More
Quick view RTB Complete 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4.25" M-LOK | With BCG & CH MSRP: $503.95 SALE PRICE: $340.95 Click for Price IN STOCK View More
Quick view BG Complete 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4" M-LOK Slant Cut | With BCG & CH MSRP: $439.95 SALE PRICE: $261.95 Click for Price IN STOCK View More
Quick view RTB 4.5" 9mm Upper Receiver - Black | FLASH CAN | 5.5" M-LOK | Without BCG & CH MSRP: $440.95 SALE PRICE: $144.95 Click for Price IN STOCK View More
Quick view RTB Complete 4.5" 9mm Upper Receiver - Black | FLASH CAN | 5.5" M-LOK | With BCG & CH MSRP: $507.95 SALE PRICE: $347.95 Click for Price IN STOCK View More
Quick view BG 16" 5.56 Upper Receiver - Black | A2 | 12" M-LOK Slant Cut | Without BCG & CH MSRP: $399.95 SALE PRICE: $194.95 Click for Price IN STOCK View More
Quick view BG Complete 16" .22LR Pencil Upper Receiver | A2 | 12" M-LOK Slant Cut | A2 Flash | with BCG & CH MSRP: $495.95 SALE PRICE: $353.95 Click for Price IN STOCK View More
Quick view RTB 10.5" 5.56 Upper Receiver - Black| A2| 9" M-LOK | Without BCG & CH MSRP: $457.95 SALE PRICE: $248.95 Click for Price IN STOCK View More
Quick view RTB 10.5" 5.56 Upper Receiver - Black | FLASH CAN | 12" M-LOK | Without BCG & CH MSRP: $470.95 SALE PRICE: $273.95 Click for Price IN STOCK View More
Quick view RTB 16" 5.56 Upper Receiver - Black | A2 | 15" M-LOK | Mid Length | Without BCG & CH MSRP: $475.95 SALE PRICE: $273.95 Click for Price IN STOCK View More
Quick view RTB Complete 16" 5.56 Upper Receiver - Black | A2 | 15" M-LOK | Mid Length | With BCG & CH MSRP: $530.95 SALE PRICE: $382.95 Click for Price IN STOCK View More
Quick view BG Complete 10.5" 5.56 Upper Receiver - Black | A2 | 9" M-LOK | With BCG & CH MSRP: $441.95 SALE PRICE: $264.95 Click for Price IN STOCK View More