It is nickel plated, has a plastic base pad, and holds 18 rounds of .38 Super ammo.

NOTE: We cannot provide High Capacity Magazines to customers in States or Locales where the sale of them is prohibited. Specifically, we can not sell them to residents of California, Hawaii, Massachusetts, and New York. Sales to residents of Puerto Rico must be shipped to a Federal Firearms Licensee. If you have a question as to whether or not your local laws prohibit your possession of a High Capacity Magazine, please, check with your local authorities before ordering.