Take your training to the next level with CoolFire Trainer Barrels for Walther handguns. These CO₂-powered dry-fire systems transform your firearm into a safe yet realistic training tool, delivering authentic recoil and slide cycling without live ammunition. Designed for serious shooters, law enforcement, and competitive athletes, CoolFire Trainer barrels help improve trigger control, accuracy, and draw speed—all from the comfort of your home or training facility.