Trinity Weaver Mounted red dot Sight for fn Five-Seven® Series Tactical Home Defense Optics Accessory Aluminum Black Picatinny Weaver Mount Adapter Class IIIA 635nM Less Than 5mW

black anodize finish Weaver Mount will easily clamp onto handguns that have a Weaver Style Accessory Rail Under the Barrel. Fully adjustable for Windage and Elevation On/Off Rear Cap Switch is easily turned On or Off with your trigger finger All Aluminum Construction