Triumph Systems Shot Seeker Reactive Target Five 4" Bullseye 12" x 12" 10 Pack The Shot Seeker Non-Adhesive Reactive target has 5 separate bullseye targets on one 12" x 12" sheet. E Shot Seeker adhesive targets show a big shot burst with a bright yellow halo at the impact location. Identify and score your shot from the firing line. This adhesive targets is great for applying to cardboard backs or other silhouette targets. The Shot Seekers 1" grids are ideal for sighting in your firearm quickly and easily.