F-1 Firearms DuraBolt Gold BCG AR-15 5.56 NATO Direct Impingement TiN

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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 ColorGold
Carrier FinishTiN
Carrier MaterialHeat Treated 9310
Forward Assist SerrationsYes
Bolt Head ColorGold
Bolt Head FinishTiN
Bolt Head MaterialCarpenter 158
Bolt Gas Key FastenersProperly Staked Screws
Bolt Gas Key FinishTiN
Cam Pin FinishTiN
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