If you have been looking for a compact scope for your tactical rifle, the NcStar Mark 3 Compact Tactical Rifle Scope might just be the answer. Designed for ease of use and to stand up to the harsh conditions of tactical use, this scope features an integrated quick release mounting system, fully multi-coated lenses, finger turnable target turrets, a quick focus eyepiece and a built in sunshade. To get all of these features on any other scope you will pay much more. If you want a lightweight tactical scope at a great price, the Mark 3 Compact Tactical is the scope for you. Notes Battery Type: CR2032 3V (1)