5.56 Nickel Boron Bolt Carrier Group, Complete

$175.00 $139.99

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SKU: 9427102097042235 Categories: ,


Our upgraded nickel boron bolt carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface.Features:Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Carrier has forward assist serrationsShrouded firing pinNickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)Forged Mil-Spec gas key attached with Grade 8 hardware and Properly staked.5.56 Bolt is shot Peened and MPIMil-Spec Extractor Spring, black extractor insert, Viton O-RingTool Steel ExtractorHigh quality BCG

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Aero Precision


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