Hawke Sport Optics Frontier Reflex Red Dot Sight 3 MOA Dot Slimline Weaver/RMSc Footprint Black. 1 oz Red Dot Sights-Footprint: RMSc Features of Hawke Sport Optics Weaver/RMSc Frontier Reflex Red Dot Sight 3 MOA Dot Single-Piece Construction with A.I.M (Auto Illumination Mode) 3 MOA Dot (Slimline) Weaver Rail RMSc Footprint Package Contents: Hawke Sport Optics Weaver/RMSc Frontier Reflex Red Dot Sight 3 MOA Dot Low profile Weaver mount Steel shroud kit Additional mounting equipment Hawke Sport Optics 12160: Frontier Reflex Red Dot Sight 3 MOA Dot Slimline Weaver/RMSc Footprint Black