Assembled Upper Receiver

New Arrivals

Best Sellers

Daniel Defense

Daniel Defense M4A1 URG, 5.56 NATO, 14.5" Barrel, Flat Dark Earth

The Daniel Defense DD M4A1 Upper Receiver Group is a testament to precision engineering and military-grade performance. Featuring the M4A1 Rail Interface System (RIS II), this upper receiver is...

MSRP:

Was:

Now: $1,743.00
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Alex Pro Firearms

Alex Pro Firearms AR10 Assembled Upper, Receiver, Billet Aircraft Quality Aluminum, Cerakote Finish

Built with precision and durability in mind, the Alex Pro Firearms APF AR10 Assembled Upper is crafted from billet aircraft quality aluminum with a Cerakote finish and laser engraved T-marks. This...

MSRP:

Was:

Now: $229.00

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Primary Weapons

Primary Weapons MK116 MOD 2-M, Receiver, 16.1" Barrel, Anodized

Developed with attention to component fit and workflow efficiency, the Primary Weapons MK116 MOD 2-M 7.62X39MM 16.1'' BBL COMPLETE UPPER W/FSC 556 supports smooth handling and consistent mechanical...

MSRP:

Was:

Now: $1,499.95

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Patriot Ordnance Factory

Patriot Ordnance Factory Minuteman, 300 BLK, 13.75" Barrel, Black

Engineered for consistent function across varied conditions, the Patriot Ordnance Factory POF Upper Complete Minuteman 13.75 300 BLK promotes reliable operation. Developed for shooters who value...

MSRP:

Was:

Now: $1,190.00

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CMMG

Cmmg Resolute MK4, Receiver, 14.50" Barrel, Black Cerakote

The Resolute MK4 300BLK Assembled Upper 14.5'' BBL with P&W Brake by CMMG is a precision-engineered firearm component designed for the AR-15 platform. This upper receiver is chambered in 300 AAC...

MSRP:

Was:

Now: $595.38
Angstadt Arms

Angstadt Arms 0940 UDP Upper, Receiver, 6" Barrel, Black

Engineered for consistent function across varied conditions, the Angstadt Arms CMPLT UPPR 9MM 6" BLK promotes reliable operation. Developed for shooters who value predictable performance during...

MSRP:

Was:

Now: $599.99
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Heckler & Koch

HK MR764A4 URK, Receiver, 16" Barrel, Matte Black

The HK 51001892 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 16" is a top-tier firearm accessory designed for precision and durability. This assembly features a robust...

MSRP:

Was:

Now: $3,049.00

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Angstadt Arms

Angstadt Arms MDP-9, Receiver, Roller Delay Action, Black Anodized

Engineered for consistent function across varied conditions, the Angstadt Arms MDP-9 CMPLT UPPR 9MM 6" BLK promotes reliable operation. Developed for shooters who value predictable performance during...

MSRP: $1,655.00

Was:

Now: $1,357.99
Yankee Hill Machine

Yankee Hill Machine Turbo Integral Suppressed Upper Receiver Group, Receiver, 5.56mm, Black

Built with precision engineering, the Yankee Hill Machine YHM Turbo Integral Suppressed Upper Receiver Group 5.56mm 12" Handguard offers seamless operation. Featuring a Turbo suppressor pinned and...

MSRP:

Was:

Now: $1,399.95
Spike's Tactical

Spikes STU5025M4S, Receiver, M4 Double Head Shield Handguard, Black Phosphate

Designed for steady, repeatable performance in varied environments, the Spikes STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, M4 Double Head...

MSRP: $835.00

Was:

Now: $798.99
CMMG

Cmmg Resolute MK4, Receiver, Pinned & Welded Brake, Black Cerakote

Engineered for consistent function across varied conditions, the Cmmg RESOLUTE MK4 5.56NATO ASSEMBL UPPER 14.5''BBL W/P&W BRAKE BLK promotes reliable operation. Developed for shooters who value...

MSRP:

Was:

Now: $524.99
Patriot Ordnance Factory

Patriot Ordnance Factory Renegade +, Receiver, 9" M-LOK Handguard, Black Anodized

Engineered for consistent function across varied conditions, the Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9"...

MSRP:

Was:

Now: $1,156.00