Blog

Above: AR15 BCG finishes (l-r) Toolcraft Titanium Nitride, BCM BCG with Robar NP3+, Toolcraft Nickel Boron, Toolcraft Black Nitride, Colt BCG refinished in Chrome with Nickel Boron Gas Key, Toolcraft Diamond Like Carbon (DLC) Finish, Toolcraft Chrome Phosphate There's a vast number of finishes available for AR-15 bolt carrier groups (BCGs) today. I don't mind paying more for more performance, but I don't like to waste my money on gimmicks either.  Let's sort through some of …