CCI's Pest Control MaxiMag Shotshell is designed for effective pest control at close ranges. This 22 WMR caliber ammunition features a #12 shot pattern, delivering consistent results. The 52-grain shotshell has a muzzle energy of 115 ft-lbs and a muzzle velocity of 1000 fps. With its brass casing material, this shotshell is built to last. CCI's Pest Control MaxiMag Shotshell is ideal for small game hunting and pest control. Fast shipping ensures you get the ammunition you need quickly. Key Benefits and Features: Caliber: 22 WMR Bullet Type: #12 Shot Bullet Weight: 52 gr Muzzle Energy: 115 ft lbs Muzzle Velocity: 1000 fps Casing Material: Brass Rounds Per Box: 20