Providing quality gunpowder since the 1800s, Winchester factory loaded ammo has never let an American down. Winchester Autocomp powder is no different and provides superlative performance in the 38 Super, 9mm Luger, 40 S&W, and 45 ACP. It can also be used in a wide variety of other pistol cartridge recipes. Not only will this powder work well making both full and reduced power loads, it is also exceptionally clean burning. Some users have reported using Winchester Autocomp for 300 rounds and barely having to clean the gun!
Winchester Smokeless Powders have been around since the late 1800s. Customers that have shot Winchester factory loaded ammunition know the quality of propellant they’re receiving as soon as the first shot is fired. Bring that quality home to the reloading bench with the Winchester family of powders. AutoComp is the preferred powder for competitive pistol shooters. Delivering superb performance in the 38 Super, 9mm Luger, 40 S&W and 45 ACP, AutoComp powder can be used in many other pistol cartridge recipes.
Other Important Information:
•Do not exceed the loads displayed in the reloaders guide.
•Never mix any two powders regardless of type, brand, or source.
•Never substitute any smokeless powder for Black Powder or any Black Powder substitute.