Upper Receivers

Assembled Upper Receiver

832 products

Complete Upper Receivers

1 product

Stripped Upper Receiver

95 products

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Remington

Remington 870 Super Magnum, Receiver, Stripped 12 Gauge, Bronze Finish

The Remington 12 Ga Stripped Receiver For Rem 870 Super Magnum Bronze gives builders a factory-correct foundation for a hard-working 12-gauge shotgun. Machined from solid steel and finished in a...

MSRP: $209.99

Was:

Now: $122.99

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Primary Weapons

Primary Weapons Systems MK111 MOD 2-M, Receiver, Upper 7.62x39 11.85" FRC Comp, Black

The Primary Weapons Systems PWS MK111 MOD 2-M Upper 7.62x39 11.85" FRC Comp is a purpose-built upper receiver assembly for shooters who want dependable performance from the 7.62x39 cartridge. Built...

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Now: $1,499.95
VLTOR

VLTOR MUR-1A, Receiver, Modular Upper, Black Anodized

The VLTOR Weapon Systems MUR-1A Modular Upper Receiver provides a rigid, Mil-Spec correct foundation for your AR-15 build. Precision-machined from aircraft-grade 7075-T6 aluminum with thicker walls...

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Now: $269.95
Colt

Colt LE6940, Receiver, Monolithic Upper, Stripped, Matte Black

The Colt M4 LE6940 Upper Group 16in Stripped brings Colt’s proven monolithic AR-15 upper design to shooters who want a rigid, one-piece receiver and rail system. This complete upper receiver group...

MSRP:

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Now: $1,070.99
Primary Weapons

Primary Weapons Systems MK116 MOD 2-M Upper, Receiver, 338 ARC, 16.1" Barrel, Flash Reduction Compensator, Black

The Primary Weapons Systems PWS MK116 MOD 2-M Upper 338ARC 16.1 LS FRC Comp is a dedicated upper receiver assembly designed for shooters who want to run the 338 ARC cartridge on a proven PWS...

MSRP:

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Now: $1,499.95
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ZEV Technologies

ZEV UR-556-FOR, Receiver, Forged Stripped AR-15 Upper, Black Hardcoat Anodized

The ZEV AR-15 Aluminum Forged Upper Receiver is a stripped AR-15 upper built from premium 7075-T6 aluminum forgings and machined to better than mil-spec tolerances. Its true black Type III Class 2...

MSRP:

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Now: $131.99

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Stern Defense

Stern Defense MOD4 Upper 9mm, Receiver, Complete Upper w/ 15" M-LOK Handguard and Glock-Cut Bolt, Black Melonite

The Stern Defense 015SD15INCHMOD4MLOK161 9mm Upper pairs a 16.10" black melonite barrel with a lightweight 15" MOD4 M-LOK free‑float handguard and a 7075‑T6 aluminum anodized receiver. This complete...

MSRP:

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Now: $524.45
American Tactical

American Tactical Omni Hybrid, Receiver, Stripped Polymer Metal-Reinforced, Black

The ATI AR15 Multiple Caliber Stripped Metal Reinforced Polymer Upper Receiver gives builders a lightweight yet durable foundation for a modern AR-15. This Omni Hybrid design uses a patented...

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Now: $35.99
Stern Defense

Stern Defense SD Mod4 M-Lok Upper, Receiver, Glock-Compatible 9mm Complete Upper, Matte Black

The Stern Defense 015SD4INCHMOD4MLOK4INC 9mm complete upper receiver assembly brings a compact, Glock-magazine-compatible AR-15 pistol setup together in one well-matched package. Built around a 4...

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Now: $443.48
Stern Defense

Stern Defense 015SD10INCHMOD5MLOK855, Receiver, 10" M-LOK Handguard, Complete Upper w/ SD BU9 Bolt and SD HBC Blast Can, Black Melonite

The Stern Defense 015SD10INCHMOD5MLOK855 9mm 8.50" Black Melonite Barrel Upper Receiver Assembly brings a refined, purpose-built design to the AR-15 pistol platform. This complete upper pairs an 8.5...

MSRP:

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Now: $498.56
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Stern Defense

Stern Defense MOD5 15" M-LOK 16.1" .45 ACP Upper, Receiver, Complete Blowback .45 ACP Upper, Black Melonite

The Stern Defense 015SD15INCHMOD5MLOK161 .45 ACP Complete AR-15 Upper brings together a 16.1" Black Melonite 4150 chrome moly steel barrel, a 7075-T6 aluminum hard-coat anodized receiver, and a 15"...

MSRP:

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Now: $624.12

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Rock River Arms

Rock River Arms LAR-15M NM A4, Receiver, Complete Upper, Stainless Barrel, Black

The Rock River Arms AR0784 LAR-15M NM A4 Complete Upper brings match-grade precision to the AR-15 platform. Built around a 20" air-gauged heavy stainless steel match barrel with a .223 Wylde chamber,...

MSRP:

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Now: $924.00