Build More, Save More | Get up to $220 Off! | Shop Now

Build More, Save More | Get up to $220 Off! | Shop Now

AT3 Tactical AR-15 Upper Receivers and Parts

AT3 Tactical AR-15 uppers and parts to piece together your build, your way. Save by bundling your upper and handguard!

Showing 1–24 of 33 results

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(12)

AT3™ Forged AR-15 Stripped Upper Receiver

RECOMMENDED

AT3 Slick Side Billet Upper Receiver - 7 Colors Available

(133)

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

(17)

AT3™ Forged Upper Receiver and SPEAR Handguard Combo

AT3™ AR 15 Ejection Port Cover C Clip -2pcs

(39)

AT3™ AR-15 Ejection Port Cover C-Clip – Pack of 2

(17)

AT3 Tactical™ Complete AR-15 Upper Parts Kit – Forward Assist & Dust Cover

AT3 Tactical Firing Pin Retainer for AR-15 BCG

(15)

AT3 Tactical Firing Pin Retainer for AR-15 BCG

AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

(1)

AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

(21)

AT3™ AR-15 Forward Assist

AT3™ AR15 Barrel Nut & Delta Ring Assembly

(42)

AT3™ AR-15 Barrel Nut & Delta Ring Assembly

AT3™ Forged Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

(2)

AT3™ Forged Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

(4)

AT3™ Forged AR-15 Upper Receiver and Pro Quad Rail Combo

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

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

(1)

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

(16)

AT3™ AR-15 Ejection Port / Dust Cover Assembly

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

AT3 Tactical Gas Rings for AR-15 Bolts - Set of 3

(6)

AT3 Tactical Gas Rings for AR-15 Bolts – Set of 3

AT3™ Handguard End Cap - Round

(10)

AT3™ Handguard End Cap – Round

AR-15 Extractor Pin

(2)

AT3 Tactical Extractor Retainer Pin for AR-15

AT3 Tactical Extractor O-Ring

(1)

AT3 Tactical Extractor O-Ring

AT3 Tactical AR-15 Ejector Roll Pin

(1)

AT3 Tactical AR-15 Ejector Roll Pin

AT3™ AR-15 Forward Assist Roll Pin

AT3 Tactical Extractor Spring for AR-15 Bolts

(2)

AT3 Tactical Extractor Spring for AR-15 Bolts

AT3 Tactical Extractor for .223/5.56 Bolts - Black Nitride

(1)

AT3 Tactical Extractor for .223/5.56 Bolts – Black Nitride