Start a build Log in

Parts by category

Upper Receiver

3564 products · page 54 of 119

Filters
Color
Type
Platform
Barrel length
Gas system
Manufacturer
149 more
Price
to
Reset

Filters
Product TypeColorPlatform Best price
Bearing Delay 9mm Luger 16" Bbl Assembled Upper ReceiverMean ArmsComplete · AR-9Complete—AR-9$1,499.992 storesOut of stock
Bearing Delay 9mm Luger 4.5" Bbl Assembled Upper ReceiverMean ArmsComplete · AR-9Complete—AR-9$1,399.992 storesOut of stock
Bearing Delay 9mm Luger 7.5" Bbl Assembled Upper ReceiverMean ArmsComplete · AR-9Complete—AR-9$1,439.992 storesOut of stock
Brn-16a2 5.56x45 NATO 20" Bbl Upper ReceiverBrownellsAR-15——AR-15$652.841 storeOut of stockSale
Brn-10 Upper ReceiverBrownellsAR-10——AR-10$329.991 storeOut of stock
Brn-15 5.56 11.5" Bbl .750" GB Upper W/Charging Handle & BCGBrownellsAR-15——AR-15$475.991 storeOut of stock
Brn-15 5.56 13.7" Bbl .750" GB Upper W/Charging Handle & BCGBrownellsAR-15——AR-15$447.991 storeOut of stock
Brn-15 5.56mm 16" Bbl .625" Gas Block Upper ReceiverBrownellsAR-15——AR-15$319.991 storeOut of stockSale
Brn-15 5.56mm 16" Bbl .750" Gas Block Upper ReceiverBrownellsAR-15——AR-15$335.991 storeOut of stockSale
Stripped Brn-15 M4 Upper Receiver, BlackBrownellsStripped · Black · AR-15StrippedBlackAR-15$69.991 storeOut of stock
Brn-16a4 5.56x45 NATO 20" Bbl Upper ReceiverBrownellsComplete · AR-15Complete—AR-15$479.991 storeOut of stockSale
Rec Brn-180 Gen2 223 Wylde 16" Uper With MI Alpha Folding StockBrownellsAR-15——AR-15$1,099.991 storeOut of stock
Brn-180 16" Upper Receiver 350 LegendBrownellsComplete · AR-15Complete—AR-15$899.991 storeOut of stock
Brn-180 Upper W/ VX Freedom 3-9x40mm Scope 350 LegendBrownellsAR-15——AR-15$1,249.991 storeOut of stock
Brn-180 Gen 2 Sport 16" 223 Wylde Upper Receiver AssemblyBrownellsComplete · AR-15Complete—AR-15$1,019.991 storeOut of stock
Brn-180 Gen 3 Upper Receiver, 13.9" Bbl, .223 Wylde, BLKBrownellsComplete · Black · AR-15CompleteBlackAR-15$959.991 storeOut of stockSale
Brn-180 Gen 3 Upper Receiver, 16" Bbl, .223 Wylde, BLKBrownellsComplete · Black · AR-15CompleteBlackAR-15$959.991 storeOut of stockSale
Brn-180 Brn-Scnr 223 Wylde 13.9"bbl Upper Receiver BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$1,199.991 storeOut of stock
Brn-180 Brn-Scnr 223 Wylde 16"bbl Upper Receiver BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$1,199.991 storeOut of stock
Brn-180 Brn-Scnr 300BLK 9"bbl Upper Receiver BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$1,199.991 storeOut of stock
Brn-180 Gen 2 16" 7.62x39mm Upper Receiver AssemblyBrownellsComplete · AR-15Complete—AR-15$849.991 storeOut of stock
Brn-180 Gen 2 18" 223 Wylde Upper & MI Side Folding StockBrownellsComplete · AR-15Complete—AR-15$1,099.001 storeOut of stock
Brn-180 Gen 2 Upper Receiver 223 Wylde 16" Barrel FDEBrownellsComplete · Flat Dark Earth · AR-15CompleteFlat Dark EarthAR-15$1,129.991 storeOut of stock
Brn-180 Gen 2 Upper Receiver 223 Wylde 18.5" Barrel BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$899.991 storeOut of stock
Brn-180s Gen 2 10.5" 7.62x39mm Upper Receiver AssemblyBrownellsComplete · AR-15Complete—AR-15$899.991 storeOut of stock
Gen2 Brn-180s Upper Receiver 300 Blackout 10" Barrel BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$899.991 storeOut of stock
Flash Hider Brn-180s Gen 2 13.9" Upper Receiver Pinned/Welded .223wyldeBrownellsAR-15——AR-15$899.991 storeOut of stock
Flash Hider Brn-180s Gen 2 14.5" Upper Receiver Pinned/Welded .223wyldeBrownellsAR-15——AR-15$899.991 storeOut of stock
Brn-180 Gen 2 13.9" 223 Wylde Upper Receiver Assy BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$899.991 storeOut of stock
Brn-180s Gen 2 14.5" 223 Wylde Upper Receiver BlackBrownellsComplete · Black · AR-15CompleteBlackAR-15$899.991 storeOut of stock
Show 30 more