Upper Receiver
Find the exact complete or stripped AR-15 upper receiver for your next build. We stock forged and billet uppers, cold hammer-forged barrels, low-profile gas blocks, and advanced bolt carrier groups (BCGs) engineered for extreme reliability and sub-MOA accuracy.
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Out of stockOn Sale
Knights Armament - SR-25 Upper Receiver - 20" - 111472
Knights Armament Company
Now: $4,114.69Was: $4,331.25Knights Armament SR-25 upper receiver kit, chambered for 7.62x51mm. Featuring Knight’s 20” cut rifled, precision barrel and their newly designed 3-prong QDC flash hider, the 20” Precision Rifle upper...Now: $4,114.69Was: $4,331.25 -
Out of stockOn Sale
Knights Armament - SR-15 Complete Upper Mod 2 5.56 NATO - 16" - 31962
Knights Armament Company
Now: $2,014.55Was: $2,120.58The Knights Armament SR-15 E3 Mod 2 series' 5.56 mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design...Now: $2,014.55Was: $2,120.58 -
Out of stockOn Sale
Knights Armament - SR-15 CQB Upper Receiver - 11.5" - #31963
Knights Armament Company
Now: $2,088.62Was: $2,198.54The Knights Armament SR-15 E3 Mod 2 series' 5.56 mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design...Now: $2,088.62Was: $2,198.54 -
Out of stockOn Sale
Rise Armament - Bolt Carrier Group .223/5.56 - RA-1011-BLK
Rise Armament
Now: $135.99Was: $179.99High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will...Now: $135.99Was: $179.99 -
Out of stockOn Sale
FN America - SCAR 16S 10" .223/5.56 Complete Barrel Assembly - 98802
FN America
Now: $1,299.00Was: $1,499.00The FN SCAR(R) barrel assemblies are cold hammer-forged, chrome-lined MIL-SPEC steel barrels with front sight assembly, gas block assembly, gas regulator, gas piston and flash hider installed...Now: $1,299.00Was: $1,499.00 -
Out of stockOn Sale
FN America - SCAR 17S .308/7.62 13" Complete Barrel Assembly - 98814
FN America
Now: $1,499.00Was: $1,729.00The FN SCAR(R) barrel assemblies are cold hammer-forged, chrome-lined MIL-SPEC steel barrels with front sight assembly, gas block assembly, gas regulator, gas piston and flash hider installed...Now: $1,499.00Was: $1,729.00 -
Out of stock
Radian - Raptor-SL Ambidextrous AR15 Charging Handle - R0176
Radian Weapons
$104.95Based on the proven Raptor Ambidextrous Charging Handle, the Raptor-SL features slim-line handles for customers who require an ultra low-profile, anti-snag design. From rapid palm blading or finger...$104.95 -
Out of stock
LMT Defense - 5.56 Full Auto Bolt Carrier Group With Enhanced Bolt - L7FB3
LMT Defense
MSRP: $630.00$489.60This bolt carrier group features the LMT Defense standard bolt carrier, cam pin, and firing pin, with the addition of the enhanced bolt. Bolt features: Built from a proprietary material that is not...MSRP: $630.00$489.60 -
Out of stock
LMT Defense - 5.56 Enhanced Full-Auto Bolt Carrier Group - #R-L7Q3
LMT Defense
$553.50If LMT's standard bolt carrier group is the infantryman of the gun industry, then their enhanced BCG is the delta operator. This carrier group was designed to function effectively in full-auto,...$553.50 -
Out of stockOn Sale
LMT Defense - 5.56 Semi-Auto Bolt Carrier Group - L7A3
LMT Defense
Now: $242.10Was: $249.75The LMT 5.56 direct impingement bolt carrier group will fit in any mil-spec ar15 upper receiver and is made of high-quality materials with durability in mind. This bolt carrier features...Now: $242.10Was: $249.75 -
Out of stockOn Sale
Surefire SOCOM 3 Prong 556 Flash Hider - 1/2x28
Surefire
Now: $152.00Was: $169.00SureFire’s advanced SF3P three-prong flash hiders deliver superior performance with a patented design that greatly reduces muzzle flash — typically more than 99%. Available for use with a variety of...Now: $152.00Was: $169.00 -
Out of stockOn Sale
LMT Defense - 16" Barreled Upper Receiver .223/5.56mm AR15 - L7UB1
LMT Defense
Now: $685.80Was: $706.50Standard flat-top upper receiver with 16″ chrome lined 1:7″ twist 5.56 barrel. Meeting todays military specifications, the L7UB1 is a near equivalent to the upper delivered on the US M4A1 5.56...Now: $685.80Was: $706.50