The Gock 19 gen4. Nib battleworn relief cut. 4`barrel semi-auto handgun features a slide that is plated in nickel boron. The nickel boron plated surface reduced the operating friction of the firearm. The model ug1950204bc Glock 19 gen4. Nib battleworn’s material is removed from the slide and front serrations are added to for better weight, balance, and weapon manipulation. The Glock 19 gen4. Nib battleworn relief cut is a high-performance firearm with Glock factory reliability.