PSA 6.5 Grendel Nitride Bolt Carrier Group
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129.99
$219.99
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PSA 6.5 Grendel Nitride Bolt Carrier Group, Functions with all PSA 6.5 Grendel Uppers. 9310 steel bolt assembly, nitride treated for durability. 8620 carrier, nitride treated, with a nitride treated gas key properly staked with grade 8 fasteners.