Smith & Wesson M&P, Semi-automatic, Polymer Framed Pistol, Full Size, 22 WMR, 4.35 Barrel, Armornite Finish, Black, Optics Ready Slide For Shield SMSc Footprints, Manual Safety, Fiber Optic Front Sight, 30 Rounds, 2 Magazines 13433 This handgun is all about bringing more - more capacity" more reliability" more consistency" more excitement. With a staggering 30 rounds in the magazine" you can enjoy more time shooting and less time spent reloading. Using the Tempo barrel system" the front gas port keeps everything working as it should - no moving parts until they're supposed to be moving. With an optics-cut slide" out of the box" you can mount most micro red dots and hit the range. Get more with the M&P22 Magnum! Smith & Wesson recommends the following 22 WMR ammunition for optimal performance - CCI 30gr Vmax" Hornady 30gr Varmint Express and Remington Premier 33gr Accutip