BARSKA 3-9x40 Contour Riflescope Mil-Dot Reticle Low magnification and long eye relief, ideal for close range action, from cross-bow hunting to pistol shooting even down to simple rim fire action Extra rigid shockproof construction to handle the demands of pistols, shotguns and other types of high recoil firearms Lockable external windage and elevation capabilities allow you to stay locked on target despite your firearms recoil .233 multi-grain bullet drop compensation elevation turret, chart features grains: 50 grain, 55 grain and 62 grain