Firearm and Gun Forums › Firearm and Gun Forums › Firearms › Handguns › Question regarding buying an HK USP 9mm and removing the black finish on the slide › Reply To: Question regarding buying an HK USP 9mm and removing the black finish on the slide FarDefinition2 Guest July 1, 2020 at 7:16 pm If you want to do that I’d recommend getting a Nickel Boron coating to protect the finish.
