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

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

6mm ARC Bolt Carrier Groups for AR-15

6mm ARC shares the same case head dimensions with 6.5 Grendel, allowing the same bolt carrier to be used for either caliber. These BCGs are high-quality and will work in your new precision rifle build.

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6.5 Grendel and 6mm ARC Bolt Carrier

(13)

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

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

CMMG 6.5 Grendel/6mm ARC Bolt Carrier Group for AR-15 - AT3 Tactical

CMMG 6.5 Grendel/6mm ARC Bolt Carrier Group for AR-15

Battle Arms Development Titanium AR-15 Bolt Carrier Group - AT3 Tactical

Battle Arms Development Titanium 5.56 NATO AR-15 Bolt Carrier Group

Odin Works 6.5 Grendel Black Nitride Bolt Carrier Group - AT3 Tactical

Odin Works 6.5 Grendel/6mm ARC AR-15 Bolt Carrier Group