F-1 Firearms DuraBolt Black BCG AR-15 5.56 NATO Direct Impingement DLC

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Caliber5.56 NATO
Operating SystemDirect Impingement
Full Auto Rated CarrierYes
IncludesMPI and HPT Bolt Assembly, Cam Pin, Firing Pin, Firing Pin Retainer
Carrier ColorBlack
Carrier FinishDLC
Carrier MaterialHeat Treated 9310
Forward Assist SerrationsYes
Bolt Head ColorBlack
Bolt Head FinishDLC
Bolt Head MaterialCarpenter 158
Bolt Gas Key FastenersProperly Staked Screws
Bolt Gas Key FinishDLC
Cam Pin FinishDLC
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