IMR 8133 Smokeless Powder 1 Lb by Hodgdon and IMR & Winchester Product Overview is proud to offer IMR 8133 Smokeless Powder 1 Lb. IMR 8133 is a new powder that was formulated specifically for the larger caliber magnum and belted magnum cartridges. This new powder has a revolutionary copper fouling eliminator to help with barrel wear and help when it is time to clean up. IMR 8133 is not affected by temperature swings and has excellent load density making it a great choice for most heavy bullets. Summary IMR 8133 Smokeless Powder is in the Extreme line of IMR powders. 8133 is a large caliber favorite that will perform in all weather conditions without a jump in velocity or accuracy. This powder is also designed to be friendly to the environment and making sure we all have a place to continue our sports for generations to come. This powder excels for .33 RUM and 28 Nosler and 6.5mm-300 Weatherby Magnum and a host of other cartridges. Specifications and Features: Copper Fouling Eliminator Wide range of cartridges from 28 Nosler to 6.5mm-300 Weatherby Mag Environmentally Safe Magnum and Belted Magnum Powder
