The angstadt arms ar-15 bolt carrier group is machined from 8620 alloy steel with a qpq black nitride finish.It features a removable weight for use with law tactical folding stock adapter and is compatible with both glock and colt 9mm ar-15 magazines.Use with a standard ar-15 hammer.
Finish: QPQ Black Nitride Type: Bolt Carrier Group Model: Bolt Carrier Assembly Size: 9mm Material: 8620 Steel
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