Aero Nickel Boron Bcg Overview
Aero Precision(Aero Nickel Boron Bcg ) is a leader in AR15 parts manufacturing and this Nickel Boron Bolt Carrier Group is one of the best! The bolt is milled from high strength 9310 steel before being Magnetic Particle Inspected (MPI).
A Nickel Boron BCG Worth It?
A Nickel Boron BCG with its slick surface will clean up quite a bit easier and faster than a standard BCG with a phosphate finish. … Because of the silvery color it’s also easier to see where the dirt is and you also know when it is clean much easier than with a black nitride or phosphate BCG.
Who makes BCG for Aero Precision?
Toolcraft takes this proprietary 8620 steel, machines it, hardens it and then machines it again to precise final dimensions with very high tolerances. This makes for a BCG with a very smooth finish and little or no machining marks
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