The Springfield Armory Hellcat Magazine is a standard factory replacement magazine. This magazine is for Hellcat Models chambered in 9mm Luger and holds 13 rounds of ammunition. It is made from high quality alloy steel with a polymer follower and polymer base plate. The exterior of the magazine features a natural finish. Additionally it is worth noting that the magazine is made to Springfield's specifications and tolerances, using the same manufacturing process and materials as the original equipment magazines which shipped with your firearm. This will ensure not only a perfect fit but exceptional operation. Specifications and Features: Springfield Armory HC5913 9mm Luger 13 Rounds Steel Magazine Body Polymer Base Plate Polymer Follower High Quality Spring Natural Finish