4-Pk . TanneriteA(R) Exploding Targets. More BANG for your target-shooting buck! Binoculars. Spotting scopes. Long walks downrange. Those are 3 things you absolutely WON'T need with these Exploding Targets. Simply mix the Targets with the included catalyst, and you'll get very loud, very visible and very awesome proof of a target hit.They're perfectly safe... only a direct hit from a high-powered rifle will set them off, and nothing else (not even direct contact with flames). When struck, the Targets produce a loud explosion and a cloud of water vapor. Available in your choice of half-brick (each Target is a 1/2 -lb.) or full-brick (each is 1-lb.) sizes. 4 Targets, 4 catalyst packs, a mixing container and ear plugs.Note: for use with .223 or faster rifles (2,000 F.P.S. velocity minimum) at ranges of 100 yds. or more.Order ONLINE Today!