Upper Receivers

Assembled Upper Receiver

837 products

Complete Upper Receivers

1 product

Stripped Upper Receiver

95 products

New Arrivals

Best Sellers

Quick Add

RISE Armament

Rise Armament RA22ARCCUGRY18, 22 ARC, 18" Barrel, Forged Billet Aluminum, Gray Anodized

Designed for shooters who value predictable performance, the Rise Armament RA22ARCCUGRY18 22 ARC 18" Aluminum provides balanced handling and practical usability during regular range time. This upper...

MSRP:

Was:

Now: $999.00

Quick Add
LMT Defense

Lmt Defense MWS, Receiver, 12.5'' Barrel, Anodized

Designed for steady, repeatable performance in varied environments, the Lmt Defense MRP-H M-LOK 7.62MM 12.5'' Assembled Upper Receiver emphasizes functional reliability and straightforward operation...

MSRP:

Was:

Now: $1,300.99
Sons of Liberty Gun Works

Sons Of Liberty Gun Works East India Starter Kit, Receiver, 16.00" Barrel, Anodized

Sons Of Liberty Gun Works presents the EAST INDIA 5.56X45 Assembled Upper Medium 16'' BBL with Rail & FSB, engineered for precision and reliability. This upper receiver starter kit is crafted with a...

MSRP:

Was:

Now: $492.00
Daniel Defense

Daniel Defense MK18 RIII, 5.56 NATO, 10.30" Barrel, Flat Dark Earth

Designed for steady, repeatable performance in varied environments, the Daniel Defense MK18 RIII URG 5.56MM 10.3" FDE223 Rem | 5.56 NATO emphasizes functional reliability and straightforward...

MSRP:

Was:

Now: $1,641.00
Quick Add

Patriot Ordnance Factory

Patriot Ordnance Factory P-415 EDGE UPPER, Receiver, 10.5" Barrel, Black Anodized

Designed for steady, repeatable performance in varied environments, the Patriot Ordnance Factory P-415 EDGE UPPER 300BLK 10.5" emphasizes functional reliability and straightforward operation...

MSRP:

Was:

Now: $1,330.84

Quick Add
Heckler & Koch

Heckler & Koch MR556 A4, Receiver, Cold Hammer-Forged Barrel, Black Anodized

Developed with attention to component fit and workflow efficiency, the Heckler & Koch Upper Receiver Kit MR556 A4 11" supports smooth handling and consistent mechanical behavior. This kit is ideal...

MSRP: $2,499.00

Was:

Now: $2,481.99
Quick Add

Patriot Ordnance Factory

Patriot Ordnance Factory Rogue, Receiver, Stainless Steel Barrel, OD Green Anodized

Designed for steady, repeatable performance in varied environments, the Patriot Ordnance Factory Rogue Complete Upper 308 Win 16.50" Stainless Barrel, OD Green Anodized, Micro-B Muzzle Brake, 11"...

MSRP:

Was:

Now: $1,675.77

Quick Add
LMT Defense

LMT Defense Mars-L, Receiver, M-LOK, Anodized

Designed for steady, repeatable performance in varied environments, the Lmt Defense MRP-L M-LOK 5.56/300 BLK 13.25'' Assembled Upper Receiver emphasizes functional reliability and straightforward...

MSRP:

Was:

Now: $940.50
Quick Add

LBE Unlimited

LBE Unlimited AR125RBK, Receiver, 12.5" Cold Hammer Forged Barrel, Black

Designed for steady, repeatable performance in varied environments, the LBE UNLIMITED LBE Unlimited AR125RBK Ready Build Kit 12.5" emphasizes functional reliability and straightforward operation. The...

MSRP:

Was:

Now: $612.49

Quick Add
Daniel Defense

Daniel Defense M4A1 RIII URG, 5.56 NATO, 14.5" Barrel, Black

Developed with attention to component fit and workflow efficiency, the Daniel Defense M4A1 RIII URG 5.56MM 14.5" BLK223 Rem | 5.56 NATO supports smooth handling and consistent mechanical behavior...

MSRP:

Was:

Now: $1,641.00
LWRC

LWRC SIX8 PSD Upper Receiver, Receiver, 7075-T6 Aluminum, Black

Designed for steady, repeatable performance in varied environments, the LWRC SIX8 PSD UPPER REC'R 6.8SPC 8"6.8mm SPC emphasizes functional reliability and straightforward operation. Developed with...

MSRP:

Was:

Now: $2,317.00
LMT Defense

Lmt Defense Mars-L, Receiver, Assembled, Anodized

Designed for steady, repeatable performance in varied environments, the Lmt Defense MRP-L M-LOK 5.56/300 BLK 9.25'' Assembled Upper Receiver emphasizes functional reliability and straightforward...

MSRP:

Was:

Now: $890.10