When it comes to adding an optic to an AR-style rifle you have many options. The most versatile are LPVOs that have a base magnification of 1X and, depending the zoom ratio, top out at 4X to 10X.

Just when I thought the trend of short, fast, illuminated rifle scopes was cooling, a new class of excellent low-power variable optics revived my affection for these do-everything scopes. The new ...