Aero Precision – 5.56 Nickel Boron Bolt Carrier Group, Complete

139.99 175.00

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5.56 Nickel Boron Bolt Carrier Group, Complete

Now only $139.99 down from $175.00!

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 serrations
Shrouded firing pin
Nickel 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 MPI
Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
Tool Steel Extractor
High quality BCG

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