Description Resettable stainless steel finger-click Accu-Trac 1/4 MOA adjustments. Waterproof and fogproof. Rapid Target Acquisition (RTA) lockable eyepiece. Vapor Deposited, Multi-coated Illuminator Lens System. Nitrogen filled. Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.