Mounted once but never ran, like new, Ultradyne C4 Offset Folding Sight System. Really well built sites. These go over $300. Cool concept. PP FF
C4 Offset Front and Rear Sight RH Combo - Ultradyne
The C4 Offset Front/Rear Sight Combo is a dual aperture sighting system that is changing the way shooters think about iron sights. The C4 Offset Rear Sight offers Rock-solid performance in a compact form with a ballistically calibrated elevation system that adjust in 50-yard increments from 200...
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