Designed for steady, repeatable performance in varied environments, the Winchester Ammunition Winchester 296 Powder 1 lbs emphasizes functional reliability and straightforward operation. Developed for large handgun loads, this ball powder is ideal for loading 357 Magnum, 44 Magnum, and 410-bore shotshell ammunition, providing optimal velocity with its high loading density. Recommended for 410-bore AA loads, it is a smart choice for home reloaders seeking consistent performance. Made in the USA, Winchester Ammunition is renowned for its innovation and quality in the firearms industry.