Scope sight 4x32 aluminum Illuminated Red Green reticle compatible with Umarex ruger air hawk.Great for accurate target practice or hunting. If you have a dovetail rail system at the top of your receiver, it connects directly to it without any modifications or adapters. The 4x32mm compact rifle scope is constructed of one solid piece of T6 6061 aircraft grade aluminum body. It is fogproof with shock resistant housing, nitrogen purged, and O ring sealed. Blue fused multi coated & scratch resistant lens for optimal light transfer & best clarity.