Wilson Combat Bolt Carrier Assembly 5.56 NATO Carpenter 158 Black Phosphate TR-BCA. The Wilson Combat Bolt Carrier Assembly comes in several different finishes depending on your shooting needs: nickel boron black nitride and parkerized. Nickel boron...
Wilson Combat Bolt Carrier Assembly 5.56 NATO Carpenter 158 Black Phosphate TR-BCA. The Wilson Combat Bolt Carrier Assembly comes in several different finishes depending on your shooting needs: nickel boron black nitride and parkerized. Nickel boron...