Wilson Combat Bolt Carrier Assembly 5.56 NATO Low Mass Nickel Boron Polished NIB Stainless TR-BCA-LM-PNIB. The Wilson Combat Bolt Carrier Assembly comes in several different finishes depending on your shooting needs: nickel boron black nitride and...
Wilson Combat Bolt Carrier Assembly 5.56 NATO Low Mass Nickel Boron Polished NIB Stainless TR-BCA-LM-PNIB. The Wilson Combat Bolt Carrier Assembly comes in several different finishes depending on your shooting needs: nickel boron black nitride and...