US Manufactured steel magazine, Pre-Ban so you can legally own this High Capacity magazine. Fits Smith & Wesson Model 99 in 9mm or .40-S&W, also fits Walther P99 autos. Holds 17 rounds of 9mm ammo or 12 rounds of .40-S&W. Blue steel, super high quality made by PMI. Specific state laws prohibit the sale and shipment of this magazine; we CANNOT sell or ship to California, Maryland, Hawaii, Massachusetts, New York, and New Jersey.