Hawke Sport Optics Frontier RD 1x22mm 2 MOA Dot Red Dot Sight Weaver Black 12137. 9 oz Red Dot Sights-Footprint: Not Applicable Features of Hawke Sport Optics Frontier RD 1x22mm 2 MOA Dot Red Dot Sight Monotube Red Dot with A.I.M (Auto Illumination...