Centerfire handgun shotshells have proven themselves as highly practical options for close-range pests.Cci's big 4 loads extend the range and capabilities of these downsized shotshells thanks to a payload of no.4 shot.The resulting energy and patterns enable big 4 loads to take down larger pests at longer distances making them even more useful.Caliber: 38 SpecialBullet Type: Shotshell #4 ShotBullet Weight: 84 grMuzzle Energy: 186 ft lbsMuzzle Velocity: 1000 fpsRounds Per Box: 10Boxes Per Case: 20Application: HuntingCasing Material: AluminumHazair: Yes