Hawke XB30 Compact 2-8x 36mm Crossbow Scope - XB30 Compact SR - Scopes designed to withstand the rigours of crossbows with reticle systems guaranteed to make you a better shot! XB30 Compacts feature a Wide Angle optical system designed to give users the maximum view possible, a locking speed adjuster ring (patent pending) ensures the FPS setting is not changed once zeroed. XB30 Compacts feature a multi-line reticle with aim points out to 100 yards incorporating windage bars. Aim points from 20 - 100 yards with 5 yard marks. 10 yard aim points incorporate windage bars and dots to compensate for 10 mph and 20 mph cross winds. Suitable for speeds from 250 fps through 475 fps. Nitrogen purged. Shockproof. Waterproof. Fog proof. Hawke No-Fault Lifetime Warranty.