The ProMag Ruger 22 LR 10/22 55rd Charger Smoke Polycarbonate Drum is a high-capacity and innovative drum magazine designed for Ruger 10/22 rifles and Charger pistols chambered in .22 LR. With an impressive 55-round capacity, this smoke polycarbonate drum magazine ensures extended shooting sessions without constant reloading. Crafted for reliability and ease of use, it's an essential accessory for your Ruger 10/22 or Charger, providing ample rounds for your shooting needs while offering a clear view of your remaining ammunition.