The races in 38 Super, 9mm, 45 ACP, and 40 S & W are excellent for AUTO COMP. The ideal burning speed for sending more gas to the compensators. AUTO COMP competitors take quicker shots with the smallest flash muzzle, thus it’s a winner.
Winchester Smokeless Powders have been available since the late 1800s. Customers who have shot Winchester loaded ammunition know that propellant quality is given once the first shot is fired. Bring that excellence into your house with the Winchester powder family. AutoComp is the powder of choice for competitive pistol shooters. AutoComp powder may be used in a variety of handgun cartridge recipes, including the 38 Super, 9mm Luger, 40 S&W, and 45 ACP.