Upper Receivers

Assembled Upper Receiver

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Complete Upper Receivers

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Stripped Upper Receiver

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TacFire

TacFire BU3005, 5" 300 Blackout Complete Upper Assembly w/ Bolt Carrier Group, Black Nitride Finish

The TacFire BU3005 300 Blackout 5" Black Nitride Barrel Complete Upper Assembly is built around a compact 5 inch barrel chambered in .300 AAC Blackout, delivering a streamlined AR-15 upper that...

MSRP:

Was:

Now: $383.21
Seekins Precision

Seekins Precision SP10, Receiver, Complete Upper, Flat Dark Earth

The Seekins Precision 0011100119-F SP10 308 Win Upper delivers a refined .308 Winchester shooting platform built around the SP10 complete upper receiver. Featuring an 18" barrel paired with the SP3R...

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Now: $2,750.00
TacFire

TacFire BU45ACP4, Upper Receiver, .45 ACP 4.00" Barrel, Black

The TacFire BU45ACP4 .45 ACP 4" Complete Upper is a compact pistol-caliber AR-15 upper built around a 4-inch black nitride barrel and slick-side receiver. Designed specifically for .45 ACP, it...

MSRP:

Was:

Now: $351.15
TacFire

TacFire BU45ACP10, Receiver, Complete Upper w/ BCG & CH, Black Nitride

The TacFire BU45ACP10 45 ACP 10" Black Nitride Barrel Complete Upper Assembly is built for shooters who want a compact pistol-caliber upper with dependable performance. This .45 ACP upper pairs a...

MSRP:

Was:

Now: $367.19
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Rock River Arms

Rock River Arms LAR-15M All Terrain Hunter, Receiver, Complete Upper, 13" M-LOK Handguard, Stainless/Black

The Rock River Arms AR0598.V1 LAR-15M All Terrain Hunter Complete Upper brings a refined .223 Wylde setup to shooters who want accuracy-focused performance in a ready-to-install package. Built on a...

MSRP:

Was:

Now: $735.00

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Rock River Arms

Rock River Arms LAR-15M MID A4 .450 Bushmaster Complete Upper, Receiver, 16.00" Stainless Steel Barrel, 13" M-LOK Free-Float Handguard, Black

The Rock River Arms RRA 450B0461 450 BM Mid A4 Upr Half SS Upper is a complete .450 Bushmaster upper built around a forged A4 receiver and a 16 inch stainless steel heavy barrel. The barrel is...

MSRP:

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Now: $812.00

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Seekins Precision

Seekins Precision SP10M, Receiver, Complete Upper 6.5 Creedmoor, Flat Dark Earth

The Seekins Precision 0011100115-F SP10 6.5 Creedmoor Complete Upper Receiver Assembly delivers a refined large-frame semi-automatic platform built for precision. Chambered in 6.5 Creedmoor with a 22...

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Now: $2,750.00
American Tactical

ATI MilSport, Receiver, Complete AR-15 Upper, Black Nitride

The ATI ATI15MS556ML7 MilSport 5.56x45mm 7.50" Black Nitride Barrel complete AR-15 upper is built around a compact 7.5 inch barrel with a durable black nitride finish. This MilSport upper pairs a...

MSRP:

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Now: $219.95
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TacFire

TacFire AR Build Kit, 6.5 Creedmoor, 20.00" Barrel, Black Nitride

The TacFire SSRK65CRDLPK20BN AR Build Kit Sports South Exclusive 6.5 Creedmoor AR-Platform Black Nitride 5/8"x24 gives builders a complete upper and lower parts foundation for a precision-focused...

MSRP:

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Now: $657.44

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Patriot Ordnance Factory

Patriot Ordnance Factory Minuteman, Receiver, Complete Upper 350 Legend 16.50" Black Nitride Barrel, 14.50" M-LOK Handguard, Black Hard Coat Anodized

The Patriot Ordnance Factory Minuteman Complete Upper 350 Legend 16.50" pairs a 4150 chrome moly vanadium steel black nitride barrel with a lightweight aluminum upper receiver and 14.50" M-LOK...

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Now: $1,233.40
Alexander Arms

Alexander Arms Tactical, Receiver, Complete Upper 50 Beowulf, 16.00" Barrel, M-LOK Handguard, Black Cerakote

The Alexander Arms UTA50 Tactical Complete Upper 50 Beowulf 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15 is built around a robust .50 Beowulf chambering and a 16" threaded barrel,...

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Was:

Now: $903.81
Aim Sports

Aim Sports AR5CUB3, Receiver, Complete Upper Assembly 5.56x45mm NATO, 16.00" Black Nitride Barrel, 15" M-LOK Free-Float Handguard, Black Hard Coat Anodized

The Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO brings a ready-to-install AR-15 upper built around a 16" SOCOM profile barrel and a slim 15" M-LOK free-float handguard. The forged...

MSRP:

Was:

Now: $359.99