Carlson's Dead Coyote Choke Tubes are used with Hevi-Shot, Bismuth or Lead. This high performance Shotgun Choke by Carlson's Choke Tubes has been specifically designed for the coyote hunter to deliver devastating downrange patterns upwards of 70 yards when shooting larger shot sizes. The Dead Coyote Shotgun Choke by Carlson's produces very dense patterns when utilizing T and Buckshot loads. Great for waterfowl and predator hunting, the Carlson's Choke Tubes Dead Coyote, throws dense, tight patterns out to 70 yards with large shot T's. The longer, parallel section in this Carlson's Shotgun Choke combined with heat-treated 1704 stainless steel produces more compact patterns than was previously achievable.