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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
(12)

AT3™ AR-15 Nickel Boron Bolt Carrier Group – 6.5 Grendel/6mm ARC
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$149.99
Out of Stock
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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
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$136.99
Out of Stock
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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
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$199.95
Out of Stock
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Odin Works 6.5 Grendel Black Nitride Bolt Carrier Group - AT3 Tactical

Odin Works 6.5 Grendel/6mm ARC AR-15 Bolt Carrier Group
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$149.00
Out of Stock
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Battle Arms Development Titanium AR-15 Bolt Carrier Group - AT3 Tactical

Battle Arms Development Titanium 5.56 NATO AR-15 Bolt Carrier Group
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$414.95
Out of Stock
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