Delta McKenzie Challenger Deer 3D Replacement CoreDelta McKenzie Challenger Deer 3D Replacement Core Description The Challenger Deer Archery Target has replacement parts so you can purchase just the parts you need, instead of a whole new target. Because the core is where the scoring vital rings are located, it tends to experience the most wear and tear. Replace the core as often as you need with the Challenger Deer Archery Replacement Core. Dimensions 23 28 36 cm Weight 1. 5kg