Product Description Winchester AutoComp is a smokeless handgun ball powder engineered for competition "race gun" loads where consistent performance and compensator-friendly gas volume matter. With a burn rate well-suited for popular high-performance pistol cartridges, AutoComp helps competitive shooters run fast, flat, and with minimal muzzle flash. This 1 lb container is ideal for dedicated handloaders looking for reliable metering and repeatable results across match loads. Product Highlights Smokeless handgun ball powder designed for competition pistol and race gun applications Optimized burn speed to help feed compensators with higher gas volume Supports fast shot-to-shot recovery with minimal muzzle flash Great choice for common competition cartridges including .38 Super, 9mm, .45 ACP, and .40 S&W 1 lb container size for convenient storage and load development Specs Brand: Winchester Powder Product Line/Series: AutoComp Powder Type: Smokeless handgun powder Powder Shape: Ball Net Weight: 1 lb Manufacturer Part Number: AC1 UPC: 039288079019 Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.