Scopes designed to withstand the rigours of crossbows with reticle systems guaranteed to make you a better shot! 20 yard zero with 10 yard aim points out to 70 yards. Bracketing system measures 17 inches - typical whitetail deer from top of back to brisket. Calibrated for 340 fps. Features: Fixed Calibrated for 340fps Capped Low-Profile Turrets 1 Inch Mono-tube chassis Illumination 12 MOA low-profile fingertip turrets Fixed parallax at 45 metres 11 layer Fully Multi-Coated lenses Fast focus eyebell XB multi-line reticles with range finding