Vortex Defender STThis red dot uses the Leupold Delta Point Pro footprint standard. Multi Platform Reflex Sight Whether you're practicing at the range, outfitting a home defense setup, or equipping a backup sight for your rifle, this rugged and versatile reflex optic is built to meet the needs of serious shooters. With exceptional clarity, reliable durability, and rapid target acquisition, its ready for demanding conditions across handguns, shotguns, or offset rifle