The Smith & Wesson® M&P® .22 LR 12-Round Stainless Steel Magazine is a genuine Smith & Wesson factory magazine, designed to deliver smooth operation and consistent feeding performance with your Smith & Wesson rimfire pistol. Constructed of tumble-polished stainless steel, this magazine features a built-in loading button for quick, effortless reloading, while the high-tensile steel spring and polymer follower ensure smooth, reliable feeding in virtually any environment. What’s more, the precision-engineered design provides a sure fit for dependable, field-ready performance you can depend on. Will NOT fit flush in compact pistols.