The CBC Industries 300 AAC Blackout AR-15 Barrel model number 110-120 has a Black Nitride Finish, and model number 110-266 has a Parkerized Finish.
The CBC Industries 300 AAC Blackout AR-15 Barrel model number 110-120 has a Black Nitride Finish, and model number 110-266 has a Parkerized Finish.