DuraSeal Triple 5.5" black varmint spinning target. Champion's new DuraSeal multi-cal target material handles even the largest rifles and handguns and still keeps it shape. Champion # 40952. The Champion DuraSeal Reactive Target is a self resetting target provides hours of realistic shooting fun. Made of Duraseal ballistic polymer, a non-metal, self sealing material that lets bullets pass through with minimal damage. Rugged metal legs firmly hold this target in almost every terrain. This target spins on impact to show a hit.