Winchester® AutoComp™ Smokeless Propellant Reloading Powder is a preferred gunpowder for competitive pistol shooting. AutoComp is designed to deliver perfect burning rates for cycling semi-auto pistols with compensators. Pistol ammunition loaded with Winchester AutoComp Reloading Powder helps shooters get off faster shots and reduces muzzle flash. This is a very fine ball gunpowder that meters through progressive loading machines flawlessly with low charge weights for economy reloading. Recommended for use with 38 Super, 9mm, 45 ACP, and 40 S&W.
Manufacturer model #: WINCHESTER AUTO.
For competitive pistol shooting
Designed to cycle pistols with compensators
Reduces muzzle flash
Meters through progressive loading machines flawlessly
Recommended calibers: 38 Super, 9mm, 45 ACP, and 40 S&W
Smokeless Powder, Black Powder, Primers, and Fuses ship from our warehouse with other products. This ensures no more than one Shipping Charge and one HazMat Charge per order (unless you also order products that Ship Separately from MidwayUSA or our Suppliers). Each order is limited to no more than 25 pounds of Black Powder, and no more than 66 pounds each of Smokeless Powder, Primers, or Fuse. Smokeless Powder, Black Powder, Primers, and Fuses are considered hazardous materials, incur HazMat Charges, and can only ship ground freight within the continental U.S. Due to safety considerations and legal/regulatory reasons, Smokeless Powder, Black Powder, Primers, and Fuses cannot be returned.
Every container of Alliant Smokeless Powder is backed by a century of manufacturing experience and the most exacting quality control procedures in the industry. Chemical composition, grain shape and size, and overall density are constantly checked and tested in a ballistics lab to ensure consistency.
Alliant Powder's 410 is a flake powder specifically designed for the exacting needs of .410 skeet and field loads. Being the cleanest burning .410 powder available, 410 is more efficient, with lower powder charge weights, providing optimum loading characteristics. The superior ballistic performance of 410 creates perfect patterns. Consistent performance in any weather, shot after shot, lot after lot, makes 410 your reloading powder of choice.
Warnings from the Manufacturer:
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.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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