Buy Winchester AutoComp Smokeless Gun Powder Online. Since the late 1800s, Winchester Smokeless Powders have been manufactured. Customers who have fired factory-loaded Winchester ammunition are immediately aware of the grade of propellant they are getting. Bring that quality to your reloading bench with the Winchester powder family. Winchester AUTOCOMP is a ball powder developed for firearms used in competition. It is a wonderful option for 38 Super, 9mm, 45 ACP, and 40 S&W because to its ideal burn rate for feeding compensators with a larger amount of gas. AUTOCOMP enables competitors to fire quicker rounds with little muzzle flash.

• Product #: 250260
•  Manufacturer #: AC8
•  UPC #: 039288079088

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.