Sightmark Wolverine CSR, Red Dot Sight, 4 MOA Reticle, 23mm Objective Lens (Flat Dark Earth)Sightmark, Wolverine CSR, Red Dot Sight, 4 MOA Reticle, 23mm Objective Lens (Flat Dark Earth) The Sightmark Wolverine CSR Red Dot Sight Dark Earth is a close range optic designed specifically for shotguns and short barreled rifles. The CSR sports a 4 MOA red dot reticle with a 23mm objective lens and adjustable digital switch brightness controls. Compact and lightweight, the CSR weighs just 10. 3 ounces and boasts extremely low power consumption, with