Complete Upper Receivers
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RRA CMPLT MID A4 UPR 450BM 16 5RD
Rock River Arms
MSRP: $750.00$0.00Rock River Arms A4 mid-length upper comes chambered in .450 Bushmaster with a 16" chrome moly 1/24 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (5/8-32 thread). This is a...MSRP: $750.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $750.00$0.00Subtotal: -
RRA CMPLT CAR A4 UPR 350LGD 16 10RD
Rock River Arms
MSRP: $740.00$0.00Rock River Arms A4 Carbine upper comes chambered in .350 Legend with a 16" chrome moly 1/16 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (1/2-36 thread). This is a complete...MSRP: $740.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $740.00$0.00Subtotal: -
RRA CMPTL RRAGE 3G UPR 5.56NATO 16
Rock River Arms
MSRP: $540.00$0.00Rock River Arms RRAGE 3G A4 carbine upper comes chambered in 5.56mm NATO. This extruded aluminum upper receiver comes with a port door and no forward assist. Additionally, this upper is equipped with a RRA 15" RRAGE 3G M-Lok compatible handguard, a 16"...MSRP: $540.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $540.00$0.00Subtotal: -
RRA CMPLT CAR A4 UPR 458 SOCOM 16
Rock River Arms
MSRP: $790.00$0.00Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok...MSRP: $790.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $790.00$0.00Subtotal: -
RRA CMP COYOTE CAR A4 UPR 300BLK 16
Rock River Arms
MSRP: $820.00$0.00Rock River Arms A4 Coyote Carbine upper comes chambered in .300 AAC / Blackout with a 16" chrome moly 1/8twist barrel. Additionally this upper includes a RRA 12.5" M-Lok compatible lightweight free float rail and a Smith Vortex flash hider (5/8-24...MSRP: $820.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $820.00$0.00Subtotal: -
RISE CMPLT UPPR 6MM ARC 18 PAT BRN
Rise Armament
MSRP: $1,199.00$0.00The RISE 6mm ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.MANUFACTURER: Rise ArmamentMPN: RA-6ARC-CU-BRN-18MODEL: 0Type of Barrel: 01:07:00Barrel Length: 18"Description: M-LOKFinish:...MSRP: $1,199.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,199.00$0.00Subtotal: -
RISE CMPLT UPPR 6MM ARC 18 BLACK
Rise Armament
MSRP: $1,199.00$0.00The RISE 6mm ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.MANUFACTURER: Rise ArmamentMPN: RA-6ARC-CU-BLK-18MODEL: 0Type of Barrel: 01:07:00Barrel Length: 18"Description: M-LOKFinish:...MSRP: $1,199.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,199.00$0.00Subtotal: -
RISE CMPLT UPPR 22 ARC 18 PAT BRN
Rise Armament
MSRP: $1,199.00$0.00The RISE 22 ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.MANUFACTURER: Rise ArmamentMPN: RA-22ARC-CU-BRN-18MODEL: 0Type of Barrel: 01:07:00Barrel Length: 18"Description: M-LOKFinish:...MSRP: $1,199.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,199.00$0.00Subtotal: -
RISE CMPLT UPPR 22 ARC 18 BLACK
Rise Armament
MSRP: $1,199.00$0.00The RISE 22 ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.MANUFACTURER: Rise ArmamentMPN: RA-22ARC-CU-BLK-18MODEL: 0Type of Barrel: 01:07:00Barrel Length: 18"Description: M-LOKFinish:...MSRP: $1,199.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,199.00$0.00Subtotal: -
RADICAL UPPR 6.5GRNDL 16 1-9 MLOK
Radical Firearms
MSRP: $669.95$0.00The Radical Firearms 6.5 Grendel upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.MANUFACTURER: Radical FirearmsMPN:...MSRP: $669.95$0.00Qty in Cart: 0Quantity:Price:MSRP: $669.95$0.00Subtotal: -
RADICAL UPPR 556 16 1-7 MLOK BLK
Radical Firearms
MSRP: $474.95$0.00The Radical Firearms 5.56mm upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical...MSRP: $474.95$0.00Qty in Cart: 0Quantity:Price:MSRP: $474.95$0.00Subtotal: -
RADICAL UPPR 762X39 16 1-10 MLOK BL
Radical Firearms
MSRP: $474.95$0.00The Radical Firearms 7.62X39 upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.MANUFACTURER: Radical FirearmsMPN:...MSRP: $474.95$0.00Qty in Cart: 0Quantity:Price:MSRP: $474.95$0.00Subtotal: