Pro Mag Ruger 10/22 .22LR 17 Mach 50 Round Drum Rifle Magazine  #RUG-A14

Maximum firepower for your Ruger 10/22! Sturdy 50 Round magazine is made of rugged polymer. ProMag added metal feed lips so it will with stand years of use. Fits most 10/22 models, .22LR and .17 Mach 2. Only the finest polymers go into ProMag magazine bodies. The springs are precision wound using heat treated chrome silicon wire. Followers are injection molded from polymers selected for their durability. Each and every ProMag is made right here in the U.S.A. This improved magazine design includes a steel insert and a loading assist lever for reliable feeding in any conditions.