C&H Precision EDC XL, Red Dot Sight, 1X Magnification, 22mm Objective, 27 MOA Circle with 3 MOA Red Dot, RMR Footprint, Black RD-EDC-XL-RD-MR The EDC-XL is a rugged, compact pistol optic suitable for concealed carry, duty, home defense, or target shooting. Available in red and multi-reticle versions, it mounts on any slide or plate with an RMR footprint.