Assembled Upper Receiver

New Arrivals

Best Sellers

Genesis Arms

Genesis Arms GEN-12, 12 Gauge, 5 Rds, Receiver, Black

The Genesis Arms Gen-12 10.5" Upper Receiver 12 Gauge transforms a compatible DPMS Gen1 .308 lower into a compact, magazine-fed 12-gauge platform. Using a short recoil system instead of a gas tube or...

MSRP:

Was:

Now: $1,489.99
Bushmaster

Bushmaster M4 Patrolman's Upper, 5.56 NATO, Receiver, Complete Upper Assembly, Black

The Bushmaster 0040008BLK M4 Patrolman’s Upper 5.56x45mm NATO pairs a classic carbine-style profile with a complete, ready-to-pin upper receiver for your AR-15. Built around a flat-top upper with...

MSRP:

Was:

Now: $749.63
Angstadt Arms

Angstadt Arms Vanquish-9, 9MM, 17 Rds, Receiver, Black

The Angstadt Arms Vanquish Suppressed Complete Upper 9mm Luger 16" Barrel - Black is an integrally suppressed AR-15 upper that brings modern engineering to the pistol-caliber carbine platform. Its...

MSRP:

Was:

Now: $1,284.99
Volquartsen

Volquartsen LLV Competition Upper Receiver, .22 LR, Receiver, Picatinny Rail, Threaded Muzzle, Black

The Volquartsen LLV Competition Upper Receiver 4.5" TS Black is a lightweight, precision-machined upper designed to transform your Ruger Mark II, Mark III, or 22/45 into a finely tuned competition...

MSRP:

Was:

Now: $481.00
Charles Daly

Charles Daly AR 410, .410 Bore, 19.00" Aluminum Barrel, 5 Rds, Receiver, Black

The Charles Daly 500219 AR 410 Upper transforms a standard mil-spec AR-15 lower into a smooth-shooting .410 bore platform. This complete upper features a 19" aluminum barrel with a black anodized...

MSRP:

Was:

Now: $429.58
LWRC

LWRC REPR MKII Elite, 6.5 Creedmoor, Receiver, M-LOK, Patriot Brown

The LWRC REPR MKII Elite Rifle Upper 6.5 Creedmoor 22" Barrel Patriot Brown is a premium upper assembly built for shooters who demand precision and reliability. It combines LWRC’s proven short-stroke...

MSRP:

Was:

Now: $3,694.99
Volquartsen

Volquartsen Ruger MKIV LLV, .22 LR, Anodized Aluminum, Black

The Volquartsen Ruger MKIV LLV Competition Upper 4.5" With Target Sights is a dedicated .22 Long Rifle upper that turns your Ruger Mark IV into a precise, competition-ready target pistol. Its...

MSRP:

Was:

Now: $573.00
American Tactical

ATI Omni Upper Kit, .410 Bore, 5 Rds, Receiver, .410 Gauge AR-Style Complete Upper w/ 5rd Magazine, Flip-Up Sights, Black, Stainless Steel

The ATI .410 AR Upper Kit 18" Brl 5rd Mag Popup Sights 3oz Buffer turns a standard AR-15 lower into a smooth-shooting .410 shotgun-style platform. Built around the Omni upper with an 18.5" stainless...

MSRP:

Was:

Now: $392.99
Bushmaster

Bushmaster XM-15 Upper, 5.56 NATO, Receiver, M4 Patrolman’s Complete Upper, Black

The Bushmaster 0040004BLK M4 Patrolman's Upper delivers a classic XM-15 style upper receiver group built around a 16" black nitride barrel and forged 7075-T6 aluminum receiver. This complete upper...

MSRP:

Was:

Now: $770.90
Gemtech

Gemtech Integra 5.56, 5.56 NATO, 10.50" Barrel, Upper, Black

The Used Gemtech Integra 5.56 Upper 10.5" Barrel Black is a purpose-built integrally suppressed AR-15 upper that blends Gemtech’s proven G-Core technology with a compact 10.5 inch barrel. With its...

MSRP:

Was:

Now: $2,327.99
WMD Guns

WMD Guns Upper Assy 350 Legend, .350 Legend, 16.00" Barrel, NiB-X Finish, Black

The WMD Upper Assy 350 Legend 16" Barrel by WMD Guns is a testament to precision engineering and innovative design. This complete upper receiver is crafted with a forged AR-15 upper assembly,...

MSRP:

Was:

Now: $715.09
San Tan Tactical

San Tan Tactical Everything But The Lower, 5.56 NATO, Receiver, Black

The San Tan Tactical STT EBTLK-16-BLK Everything But The Lower AR-15 5.56x45mm NATO 16" Upper Receiver kit brings together factory-matched components in a single, organized package. Built on a...

MSRP:

Was:

Now: $1,179.05