Upper Receivers

Assembled Upper Receiver

837 products

Complete Upper Receivers

1 product

Stripped Upper Receiver

95 products

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Cobalt Kinetics

Cobalt Kinetics CK-PRO URG, Receiver, 14.50" Barrel, Flat Dark Earth Cerakote

The Cobalt Kinetics Cobalt CK-Pro-URG-556-145-FDE 14.5" CK Pro URG is a complete upper receiver group built around a 14.5-inch barrel chambered in 5.56x45mm NATO. Finished in flat dark earth Cerakote...

MSRP:

Was:

Now: $1,204.35
LaRue Tactical

LaRue Tactical LT-015, Receiver, Complete AR-15 Match Grade Upper, Black Anodized

The Larue Tactical Lt-015 16" Ar-15 Match Grade Upper is a complete upper receiver assembly built around a 16 inch 5.56x45mm Nato barrel and a free-floated handguard with an extended top Picatinny...

MSRP:

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Now: $1,299.99
Luth-AR

Luth-AR FTBL-B20M, Receiver, 20" Bull Barrel Complete Upper, Black/Stainless

The Luth-AR FTBL-B20M 20" Bull Barrel Complete Upper Receiver Assembly is built for shooters who demand consistent precision from their AR platform. This upper pairs a 20-inch fluted bull barrel made...

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Now: $469.95
Luth-AR

Luth-AR BA-F20SS7CG A1 Slick Side Mod RTR Comp, Receiver, Complete Upper, OD Green

The Luth-AR BA-F20SS7CG A1 Slick Side Mod RTR Comp complete upper brings classic AR styling together with modern reliability. Built around a 20" chrome-lined barrel with a durable manganese phosphate...

MSRP:

Was:

Now: $592.19
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Cobalt Kinetics

Cobalt Kinetics PRO Series 6.75" Upper Receiver Group, Receiver, Assembled Upper, Flat Dark Earth Cerakote

The Cobalt Kinetics Cobalt CK-Pro-URG-675-S-CKG 6.75" URG CKG is a compact upper receiver group built for shooters who want a short, maneuverable AR-pattern top end without sacrificing quality. This...

MSRP:

Was:

Now: $759.58

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Griffin Armament

Griffin Armament MK1 PSD 300BO, Receiver, Complete Upper, Terra Brown

The Griffin Armament Mk1psd3ufde-W Psd 300bo 9.5" Tbrn upper delivers a compact, purpose-built 300 Blackout solution for shooters who want a refined short-barreled platform. This complete upper...

MSRP:

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Now: $1,187.45
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One Horse

One Horse OH-CU02, Receiver, 10.5" 5.56 NATO Complete Upper w/ 10" M-LOK Rail, Nitride BCG & Charging Handle, Black

The One Horse Complete Upper Receiver 5.56 NATO 10.5" with BCG and Charging Handle is a compact AR-15 upper built around a 10.5-inch medium-profile barrel, pistol-length gas system, and 10-inch M-LOK...

MSRP:

Was:

Now: $347.21

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One Horse

One Horse AR-15 A3 Stripped Upper Receiver, Receiver, Forged 7075-T6 Aluminum, Black Anodized

The One Horse AR-15 A3 Stripped Upper Receiver Black gives builders a clean, mil-spec foundation for a dependable AR-15. Forged from 7075-T6 aluminum and machined to precise A3 pattern dimensions,...

MSRP: $84.99

Was:

Now: $67.99
Cobalt Kinetics

Cobalt Kinetics CK-Pro URG, Receiver, 16" 5.56 NATO Upper, FDE Cerakote

The Cobalt Kinetics Cobalt Ck-Pro-Urg-556-16-B-Fde 16" Ck Pro Urg upper receiver group is built around a 16-inch 5.56 NATO barrel tucked under a long free-float M-Lok handguard. Finished in flat dark...

MSRP:

Was:

Now: $1,204.35
Luth-AR

Luth-AR BAA3-L16M, Receiver, Complete Upper, 16" Lightweight Chrome Moly Vanadium Barrel, M-LOK Handguard, Black Hardcoat Anodized

The Luth-ar BAA3-L16M 16" Lightweight Complete Upper Barrel Assembly brings together a 16-inch chrome moly vanadium barrel and a slim M-Lok handguard to create a responsive, easy-handling AR-15 upper...

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Now: $413.55
Primary Weapons

Primary Weapons Systems MK216, Receiver, Upper, Matte Black

The Primary Weapons Systems MK216 Upper 16.1" 308 Win Black is a complete upper receiver built for shooters who want a refined AR10/SR25-compatible top end. Featuring a 16.1 inch barrel chambered in...

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Now: $1,799.95
Primary Weapons

Primary Weapons MK118 Mod 2-M, Receiver, Complete Upper 6mm ARC 18" Threaded Barrel, Black

The Primary Weapons PWS MK1-M2U-6ARC18NC MK118 Mod 2-M Upper 6ARC 18 pairs a precision 6mm ARC chamber with an 18-inch threaded barrel to deliver a refined, ready-to-run upper receiver assembly...

MSRP:

Was:

Now: $1,499.95