Uniquely designed flip-to-side 2x magnifier that mounts to the front of your optic. Unlike traditional magnifiers, it is compatible for use with prism scopes, fixed, and variable magnification optics. Pairs seamlessly with Monstrum Marksman, Blackbird, Raven, and Cyborg series prism scopes or with Banshee and Spectre Series LPVOs The flip-to-side mount with quick engage mechanism allows for rapid transition between magnified and unmagnified use Forward magnifier needs to be aligned with your optic using the windage and elevation adjustments. Please view instructions before using. 8 ounces in weight, 2.5 inches in length with a mounting footprint of 1.5 inches, with a center height of 1.5 inches. It comes with two stackable spacers allowing for adjustment of center height up to 1.9 inches.