The Black Gobblin' is specifically designed to create dense patterns at extended distances. The Cerakote Finish and fine outer detail will protect this choke from elements and make it easy to distinguish from others on the market. These choke tubes are precision machined from solid 17-4 hardened bar stock, to withstand tungsten and non-toxic shot.  We developed these with two options: lead and TSS to allow hunters the ability to match their ammunition without sacrificing performance.  The lead option was specifically designed around 4, 5, and 6 shot sizes, while the TSS option was specifically designed for 7,8,9, and 10 shot; TSS loads.  This choke tube will elevate your hunting experience and increase your chances of sucess in the woods. Get ready for unrivaled performance, precision, and reliability.