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

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

6.5 Grendel AR-15 Parts from AT3 Tactical

6.5 Grendel complete upper receivers from AT3 Tactical, made to order with quality barrels and a variety of finishes.

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RECOMMENDED

AT3 Tactical AT-15 M-LOK Builder Set - Lower, Upper, and SPEAR M-LOK Handguard

(9)

AT3™ AT-15 M-LOK Builder Set – Anodized and Cerakote

RECOMMENDED

AT3 Tactical AT-15 Quad Rail Builder Set - Lower, Upper, and Pro Quad Rail Handguard

(6)

AT3™ AT-15 Quad Rail Builder Set – Anodized and Cerakote

6.5 Grendel and 6mm ARC Bolt Carrier

(13)

AT3™ AR-15 Nickel Boron Bolt Carrier Group – 6.5 Grendel/6mm ARC

AT3 Tactical 3-Port Muzzle Brake

(25)

AT3™ AR-15 3-Port Muzzle Brake – 5/8×24 – .300 BLK/.308 Win – Crush Washer Included

AT3 Tactical Crush Washer - 5/8 Inch for .308/7.62

(6)

AT3™ 5/8 Inch Crush Washer for .308/7.62 Muzzle Devices

AT3™ AR-15 Bolt Carrier Group - 6.5 Grendel Type II - Black Nitride

(4)

AT3™ AR-15 Bolt Carrier Group – 6.5 Grendel/6mm ARC – Black Nitride

AT3™ 6.5 Grendel 20″ Assembled Forged Upper – 2A Basics ASAL 15" Handguard – No BCG/Charging Handle - Faxon Barrel

AT3™ 6.5 Grendel 20″ Assembled Forged Upper – 2A Basics ASAL 15″ Handguard – No BCG/Charging Handle – Faxon Barrel

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

(5)

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