Up to 20% Off AR-15 Uppers & Accessories | Shop Now

Up to 20% Off AR-15 Uppers & Accessories | Shop Now

Assembled Upper Receivers

Assembled AR15 and AR10 Upper Receivers come with all the little parts installed and only need drop-in parts such as a Bolt Carrier Group and Charging Handle to be range ready. Billet, Forged, Ambidextrous and More on AT3 Tactical.

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Sale!

AT3™ Complete Rifle AR-15 Upper - .223/5.56 16" Ballistic Advantage Barrel - With Nickel Boron BCG and Mil-Spec CH

(1)

AT3™ .223/5.56 16″ Complete Assembled AR-15 Upper – With Nickel Boron BCG and Charging Handle

Sale!

AT3™ 16″ .22LR Complete Assembled Billet Upper with BCG and Charging Handle

Sale!

AT3 Complete .223 Wylde Match Grade Upper Faxon Heavy Fluted Barrel

(4)

AT3™ Assembled Match Grade AR-15 Upper – .223 Wylde 16 Inch Faxon Firearms Barrel – No BCG/CH

RECOMMENDED

Sale!

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - VYPR Handguard, Black

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ VYPR® Handguard, BCG & CH

Sale!

AT3 Tactical 16 Inch 5.56 NATO Lightweight Complete AR-15 Upper Assembly - No BCG or Charging Handle

(10)

AT3™ Assembled AR-15 Upper – .223/5.56 16″ Ballistic Advantage Barrel – No BCG/CH

RECOMMENDED

Sale!

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - RPTR Handguard, Black

(1)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ RPTR® Handguard, BCG & CH

Sale!

AT3 Tactical 10.5 Inch 9mm Complete AR-15 Upper Assembly - No BCG or Charging Handle copy

(3)

AT3™ 10.5 Inch Assembled PCC AR-15 Upper – 9mm 10.5 Inch Faxon Firearms Barrel – No BCG/CH

Sale!

2A Basics 5.56 NATO .223 Rem 16 Inch Complete AR-15 Upper Receiver - No BCG or Charging Handle

(2)

AT3™ 5.56 16″ Assembled Upper – 2A Basics ASAL Handguard – No BCG/Charging Handle

RECOMMENDED

AT3 Slick Side Billet Upper Receiver - 7 Colors Available

(134)

AT3™ Slick Side Upper | Billet Upper Receiver for AR-15

NEW

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH - 3 Colors

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH – 3 Colors

(21)

SOTA Arms Assembled Mil-Spec AR-15 Upper Receiver

Black Upper with BCG

(11)

AT3™ Slick Side AR-15 Upper with Black Nitride 5.56 Bolt Carrier Group

Slick Side Upper with Ambi Charging Handle and Bolt Carrier Group

(2)

AT3™ Slick Side Upper with Bolt Carrier Group and Breek Arms Warhammer Charging Handle

AT3 Tactical Rifle Kit with Lightweight Barrel FDE

(7)

AT3 Tactical 16″ 5.56 NATO Pencil Barrel AR-15 JNL Ready Build Kit – M-LOK / Magpul CTR

(25)

AT3™ 11.5″ Assembled AR-15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel – No BCG/CH

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - HWK Handguard, Black

(2)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ HWK® Handguard, BCG & CH

STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH

STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH

AT3 Tactical 16 Inch 300 BLK Complete AR-15 Upper Assembly - No BCG or Charging Handle

(4)

AT3™ 16 Inch Assembled AR-15 PCC Upper – 9mm 16 Inch Faxon Firearms Barrel – No BCG/CH

AT3™ FF-ML 10.5 Inch Complete Pistol Upper - Faxon Firearms 10.5 Inch .223/5.56 Barrel - 9" M-LOK Free Float Handguard

(8)

AT3™ 10.5 Inch Assembled AR-15 Pistol Upper – 10.5 Inch Faxon .223/5.56 SOCOM Barrel – No BCG/CH

AT3™ Forged AR-15 Upper Receiver Kit - Includes Matching Forward Assist & Dust Cover Assemblies

AT3™ Forged AR-15 Upper Receiver Kit – Includes Matching Forward Assist & Dust Cover Assemblies

AT3 Tactical Complete .350 Legend AR-15 Upper Receiver - No BCG or CH - Black

AT3™ Assembled AR-15 Upper – .350 Legend Faxon Barrel – No BCG or CH

STNGR HWK Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch HWK® Handguard, BCG & CH

STNGR RPTR Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

(1)

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch RPTR® Handguard, BCG & CH

AT3™ 16″ .22LR Complete Assembled Forged Upper with BCG, Charging Handle, & Magazine - 8 Colors

(1)

AT3™ 16″ .22LR Complete Assembled Forged Upper with BCG, Charging Handle, & Magazine – 8 Colors