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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AT3™
AT3™ 5/8 Inch Crush Washer for .308/7.62 Muzzle Devices
Ensure Proper Timing on Your .30 Caliber Muzzle Device Crush washers are essential to replace after removing for replacing a muzzle device. Re-using crush washers can lead to muzzle devices... -
AT3™
AT3™ AR-15 3-Port Muzzle Brake with Crush Washer – 5/8×24 Thread for .300 BLK/.308...
.30 Cal AR15? Not a problem with this aggressive Muzzle Brake/Compensator With greater caliber comes greater recoil - whether you're shooting a .300 BLK AR15 or a .308 WIN AR10,... -
AT3™
AT3™ AR-15 Bolt Carrier Group – 6.5 Grendel Type II – Black Nitride
Complete your hard-hitting 6.5 Grendel or 6mm ARC upper with a Black Nitride Bolt Carrier Group Our new 6.5 Grendel Bolt Carrier Group features a black salt bath nitride finish,... -
AT3™
AT3™ AR-15 Bolt Carrier Group – 6.5 Grendel Type II – Nickel Boron
Run Your 6.5 Grendel or 6mm ARC Upper Right with a NiB BCG It's important to have a bolt carrier group that has everything you need. MPI inspected bolt, properly... -
AT3™
FF-ML 20 Inch 6.5 Grendel AR 15 Upper – 20 Inch Barrel by Faxon...
AT3 20" 6.5 Grendel Rifle Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability -...8 Options
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