Killer Instinct Lumix SPEEDRING 1.5-5x32 IR-E Crossbow Scope with XB100 ReticleThe Killer Instinct 1. 5 5x32 IR E Crossbow Archery Scope is the elite, high performance crossbow scope. Easy to use Speed Ring adjustment allows scope to be instantly matched to any bow shooting speeds between 270 fps to 450 fps. Features expertly designed Killer Instinct KillZone XB100 Reticle optimized for both fast short distance target acquisition and precision long range accuracy out to 100 yards. Exceptional LUMIX optic clarity, micro adjust