Winchester 231 Smokeless Powder 1 Lb Product Overview Midsouth is proud to offer Winchester 231 Smokeless Powder. Win 231 Powder is a great choice for many popular pistol cartridges. This irregular flat ball type powder meters very well and does not require a large case capacity. Win 231 has a low flash signature and is extremely consistent. This powder works well in various calibers, from 9mm Parabellum and 38 Special to 45ACP. Summary Winchester 231 Smokeless Powder is a great choice for pistol reloaders. 231 Smokeless Powder is a medium-burning, low flash powder perfect for .38SPL, 9mm, and .45 ACP, just to name a few. Winchester 231 has a WinClean additive that ensures a clean burn with lower copper fouling, making clean-up a breeze. Specifications and Features: Great for Pistol Cartridges Wide Range of Cartridges from 9mm Through .45ACP Low Flash Signature and a Medium Burn Rate WinClean Clean Burning
