The boradhead features non-toxic steel and polyethylene construction with a hollow-point ogive with 6 break-away petals for controlled expansion, maximum energy transfer from 7 separate wound channels, and a waisted slug body that provides aerodynamic self-stabilization.The slug is suitable for both smoothbore and rifled barrels, safe for all chokes, and its polyethylene-bearing surfaces reduce bore friction.Boradhead also reduces the possibility of over-penetration.The dupo 28 model is a standard weight fragmenting slug.It utilizes a terminal ballistic design technology for hunting.It also features superior knock-down power for north american-skinned, medium game such as deer, javelina, bobcat, mountain lion, lynx, feral hogs, and coyote.Gauge: 12 GaugeType: SlugLength: 2.75"Ounces: 1 ozShot Size: SlugMuzzle Velocity: 1460 fpsRounds Per Box: 5Boxes Per Case: 50Application: HuntingHazair: Yes