Upper Assemblies
The Upper Assemblies category includes a wide range of complete upper receiver assemblies for AR-15 style rifles. These assemblies come with everything you need to upgrade or customize your firearm, including barrels, handguards, and receivers. Brands like Colt, KAC, Daniel Defense, and Primary Weapons Systems offer high-quality options with various barrel lengths and finishes to suit your needs. Whether you're looking for a compact CQB setup or a versatile all-purpose upper receiver, you'll find top-notch options in this category to help you enhance the performance and appearance of your rifle.
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Out Of Stock
Colt LE6943CK Monolithic Complete Upper Receivers 11.5" Bbl
Colt
$999.98The Colt LE6943CK Monolithic Upper Assembly feature's Colt's law enforcement fully unitized URG. In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. This LE6943CK Monolithic Upper Assembly...$999.98 -
Out Of Stock
Colt LE6945CK Complete Upper Receiver Kits 10.5" Bbl w/Integrated Rail
Colt
$1,099.98The Colt LE6943CK Monolithic Upper Assembly feature's Colt's new monolithic upper receiver. In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. This LE6943CK Monolithic Upper Assembly also...$1,099.98 -
On Sale
Colt LE6920CK 16.1" Complete Upper Receiver
Colt
Now: $599.98Was: $879.98The Colt LE6920CK Upper Receiver Assembly feature's Colt's upper receiver. This upper receiver allows for a free-floated barrel and also features a gas-block mounted fixed front sight post with bayonet lug. The barrel is Colt's standard 16.1" chrome...Now: $599.98Was: $879.98 -
Out Of Stock
CMMG 5.7X28MM Resolute 300 Upper , 16" Barrel, W/ 3 40Rd Magazines
CMMG
$899.95Product Description CMMG IS A LEADING MANUFACTURER OF AR-15 RIFLES, 22LR AR-15 CONVERSION KITS AND ACCESSORIES. Specifications UPC 816422029907 Manufacturer CMMG Manufacturer Part...$899.95 -
On Sale
Colt LE6933CK Complete Upper Receiver 11.5" Bbl.
Colt
Now: $749.98Was: $899.00Colt's Manufacturing, Complete Upper, 223 Rem/556NATO, 11.5" Lightweight Barrel, Black Finish, A2 Fixed Front Sight, Magpul BUIS Rear Sight High quality components and precise manufacturing makes Colt Products ideal for both new shooters and...Now: $749.98Was: $899.00 -
Out Of Stock
PWS Complete Upper Recivers
Primary Weapons
$799.55 - $999.55Type a description for this product here...$799.55 - $999.55 -
On Sale
Caracal CAR816 A2 Short Stroke Piston 11.5" Complete Upper 5.56x45mm
CARACAL
Now: $999.98Was: $1,254.00CAR816 A2 11.5″ COMPLETE UPPER • 5.56x45mm NATO Gas Operated Short Stroke Piston with 3 Position Adjustable gas key • Built to exceed NATO test protocols; Bore Obstruction and “Over the Beach” Testing.• Forged...Now: $999.98Was: $1,254.00 -
On Sale
Colt 6933-EPR 5.56mm Commando Enhanced Patrol Rifle Complete Upper Receiver Assembly w/ 11.5" Barrel
Colt
Now: $895.00Was: $999.98The Colt LE6933-EPRCK Upper Assembly is used on the LE6933-EPR and R0933-EPR Commando Enhanced Patrol Rifles. This upper receiver allows for a free-floated barrel and also features a full-length Centurion MLOK Handguard. The barrel is Colt's standard 11...Now: $895.00Was: $999.98 -
Out Of StockOn Sale
Daniel Defense, Complete Upper Receiver, MK18 URG, 556NATO, 10.3" Hammer Forged Barrel, 1:7 Twist, Flat Top Receiver, Flat Dark Earth Finish
Daniel Defense
Now: $1,199.98Was: $1,412.00Use what THEY use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been...Now: $1,199.98Was: $1,412.00 -
On Sale
Caracal CAR814 A2 Patrol 11.5" Complete Upper 5.56x45mm
CARACAL
Now: $669.98Was: $855.00KEY FEATURES Built to exceed NATO test protocols including; Bore Obstruction and “Over the Beach” Testing. Caracal® Forged 7075 Hard Coat Anodized upper and lower receiver set Caracal® 9.1″ Handguard with key lock anti...Now: $669.98Was: $855.00 -
On Sale
Caracal CAR814 A2 Patrol 16" Complete Upper 5.56x45mm
CARACAL
Now: $699.98Was: $855.00KEY FEATURES Built to exceed NATO test protocols including; Bore Obstruction and “Over the Beach” Testing. Caracal® Forged 7075 Hard Coat Anodized upper and lower receiver set Caracal® 12″ Handguard with key lock anti cant,...Now: $699.98Was: $855.00 -
On Sale
Caracal CAR816 A2 Short Stroke Piston 16" Complete Upper 5.56x45mm
CARACAL
Now: $999.98Was: $1,254.00CAR816 A2 16″ COMPLETE UPPER • 5.56x45mm NATO Gas Operated Short Stroke Piston with 3 Position Adjustable gas key • Built to exceed NATO test protocols; Bore Obstruction and “Over the Beach” Testing.• Forged...Now: $999.98Was: $1,254.00