Spooky Savings Up To 30% Off | Shop Now

Spooky Savings Up To 30% Off | Shop Now

Red AR-15 Build Kits and Assemblies

31 products

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

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

8 options

AT3™ 16 Inch Assembled AR-15 PCC Upper – 9mm 16 Inch Faxon Firearms Barrel – No BCG/CH - w/Sylvan Magazine Block - 8 Colors

AT3™ 16 Inch Assembled AR-15 PCC Upper – 9mm 16 Inch Faxon Firearms Barrel – No BCG/CH – w/Sylvan Magazine Block – 8 Colors

8 options

Doorbuster

AT3 Forged Upper Assembled - Black

AT3™ Forged AR-15 Upper Receiver Assembly

NEW

7 options

10% off

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

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

16 options

(10)

AT3 Tactical .22LR Complete Upper Receiver with BCG and Charging Handle - 9 Inch - BLK

AT3™ 9″ .22LR Complete Assembled Pistol Billet Upper with BCG and Charging Handle

8 options

AT3™ FF-ML 11.5 Inch Complete Pistol Upper - .223/5.56 11.5 Inch Faxon Firearms Barrel - 12 Inch M-LOK Free Float Handguard

AT3™ 11.5 Inch Assembled AR-15 Pistol Upper – .223/5.56 11.5 Inch Faxon Firearms Barrel – No BCG/CH

8 options

(8)

AT3™ FF-ML 20 Inch 6.5 Grendel Complete Upper - 6.5 Grendel Type II 20 Inch Faxon Firearms Barrel - 15 Inch M-LOK Free Float Handguard

AT3™ 20 Inch 6.5 Grendel Assembled AR-15 Upper – 20 Inch Barrel by Faxon – No BCG/CH

8 options

(5)