For those who prefer a closed tube style sight there's Sure Shot Red DotSight. Sure Shot has the same features as Hot Shot and it has thePaintball Proof Warranty. Bot sights have wide field optics and featurea clear, bright Red Dot. A convertible 3/8 inch or 3/4 inch mountingsystem fits .22 Caliber or Airgun Dovetail or Weaver Style BaseSPECIFICATIONS:Dot Size: 8.0 M.O.A.Length: 4.3 inchesWeight: 2.5 ouncesHeight: 2.25 inchesMounts: 3/8" or 3/4" convertibleMagnification: NonePower: 2032 3V Lithium (Included)Switch: Off-Med-HighAdjustment: Windage & ElevationM.O.A. - Minute of Angle