The magnification and FPS is on the magnification ring to keep the scope compatible with a variety of bows and setups. A wide field of view makes the Crossfire II perfect for a variety of shooting situations.It includes rings, flip caps, and neoprene cover with the scope, so it is ready to be mounted right away. Crossfire II Crossbow Scope Features. 4° F - 140° F. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Rifle Scopes". The seller is "opticsdepot" and is located in this country: US. This item can be shipped to United States.