Designed specifically for .22 rimfire rifles, the Bushnell(r) Rimfire scopes are the ultimate in small-caliber accuracy. The full-size, one-piece, 1" tube is waterproof and fogproof. Considering its wealth of features, including fully coated optics for low-light shooting, you won't find a better scope for your rimfire rifle. Come to think of it, you won't find a better one for the price, either.