Ruger Mark III or Ruger Mark IV 10 round .22 Long Rifle Mec-Gar magazine with a blued finish MGMK322LRB. These magazines aren't for the Ruger 22/45 Mark III, Ruger Mark I, Ruger Mark II or Ruger 22/45 Mark II. May not feed reliably with a Pac-Lite barrel.
Constructed from certified carbon steel and features a heat treated housing and high-impact polymer or certified carbon steel follower and floorplate. The magazine spring is made of high strength type "D" music wire-the strongest wire available. TIG welding provides additional strength and a seamless finish. Each magazine surface is specially treated to ensure high corrosion resistance.
Mec-Gar is proud to be the Original Equipment Manufacturer of magazines to most of the prominent firearm manufacturers for the last 40 years including AMT - Armscor - Astra - Beretta Bernadelli - FN Browning - BUL - Charles Daly - Colt - CZ - IMI - Kel-Tec - Kimber - Llama - North American Arms - Remington - Sigarms - Smith & Wesson - Springfield Armory - STI - Standard Arms - Star - Steyr - Tanfoglio - Taurus - Walther