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Upper Receiver

3562 products · page 109 of 119

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Rainier Arms Ruc Pro Mk2 5.56 NATO Partial Upper Receiver Black 12 inRainier ArmsBlack · AR-15—BlackAR-15$750.001 storeOut of stock
Rainier Arms Ruc Pro Mk2 5.56 NATO Partial Upper Receiver Black 12.5 inRainier ArmsBlack · AR-15—BlackAR-15$630.001 storeOut of stockSale
Rock River Arms 20in Predator HP Upper V2 Stainless SteelRock River ArmsAR-15——AR-15$929.991 storeOut of stockSale
Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash HiderGhost Inc.AR-15——AR-15$469.991 storeOut of stockSale
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized ClearGuntec UsaStripped · AR-15Stripped—AR-15$129.991 storeOut of stock
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized PinkGuntec UsaStripped · Pink · AR-15StrippedPinkAR-15$129.991 storeOut of stock
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized PurpleGuntec UsaStripped · AR-15Stripped—AR-15$129.991 storeOut of stock
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver UnfinishedGuntec UsaStripped · AR-15Stripped—AR-15$129.991 storeOut of stock
Guntec USA AR-15 Ultimate Rifle Kit Anodized BlueGuntec UsaBlue · AR-15—BlueAR-15$505.991 storeOut of stockSale
Guntec USA AR-15 Upper Receiver Assembly Kit Anodized ClearGuntec UsaAR-15——AR-15$63.991 storeOut of stockSale
Rock River Arms A2 National Match Upper Receiver Assembly with National Match 1/2x1/2 .030 Hooded Aperture Rear Sight BlackRock River ArmsBlack · AR-15—BlackAR-15$279.991 storeOut of stockSale
Rock River Arms A2 National Match Upper Receiver Assembly with National Match 1/2x1/2 .040 Hooded Aperture Rear Sight BlackRock River ArmsBlack · AR-15—BlackAR-15$279.991 storeOut of stockSale
Rock River Arms A2 National Match Upper Receiver Assembly with National Match 1/4x1/4 .030 Hooded Aperture Rear Sight BlackRock River ArmsBlack · AR-15—BlackAR-15$279.991 storeOut of stockSale
Rock River Arms A2 National Match Upper Receiver Assembly with National Match 1/4x1/4 .040 Hooded Aperture Rear Sight BlackRock River ArmsBlack · AR-15—BlackAR-15$279.991 storeOut of stockSale
Rock River Arms BT-3 Completed Upper Receiver 6.5mm Creedmoor 28in 20in Barrel Standard SS Fluted Profile 1-10 Twist 5/8x24 Thread M-LOK HandguardRock River ArmsComplete · AR-10Complete—AR-10$1,059.001 storeOut of stockSale
Rock River Arms BT-3 Completed Upper Receiver 6.5mm Creedmoor 32in 24in Barrel Standard SS Fluted Profile 1-10 Twist 5/8x24 Thread M-LOK HandguardRock River ArmsComplete · AR-10Complete—AR-10$1,059.001 storeOut of stockSale
Rock River Arms Completed BilletvUpper Receiver .308/7.62X51mm 18 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard BrakeRock River ArmsComplete · AR-10Complete—AR-10$929.991 storeOut of stockSale
Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$549.991 storeOut of stockSale
Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$459.991 storeOut of stockSale
Rock River Arms Completed Pistol Upper Receiver Mountain .223/5.56mm 10.5 Inch Barrel 1-9 Twist 1/2-28 Threat A2 Flash Hider BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$609.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread R4 Handguard A2 Flash Hide BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$529.992 storesOut of stockSale
Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider BlackRock River ArmsComplete · Black · AR-9CompleteBlackAR-9$569.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver Entry Tactical A4 .223/5.56mm 16 Inch Barrel 1-9 Twist 1/2-28 Thread R4 Handguard A2 Flash Hider BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$579.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver Left Handed RAGE .223/5.56mm 10.5 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash HiderRock River ArmsComplete · AR-15Complete—AR-15$529.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver Left Handed RAGE .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$419.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash HiderRock River ArmsComplete · AR-10Complete—AR-10$599.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float HandguardRock River ArmsComplete · AR-10Complete—AR-10$809.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist Free-Float Handguard Brake BlackRock River ArmsComplete · Black · AR-10CompleteBlackAR-10$909.991 storeOut of stockSale
Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake BlackRock River ArmsComplete · Black · AR-15CompleteBlackAR-15$633.242 storesOut of stockSale
Rock River Arms Completed Upper Receiver Varmint A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard BlackRock River ArmsComplete · Black · AR-10CompleteBlackAR-10$749.991 storeOut of stockSale
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