Important Guns in History #11

XM-25, 2010

Perhaps the most innovative small arm of recent years is the XM-25 "Punisher" 25-mm grenade launcher. A laser measures the range to the target, so the grenade can be set to explode midair at the exact point it passes over a foxhole or a wall to target enemies behind cover. Five weapons were issued in Afghanistan on a trial basis in 2010 and they have had good reports. However, the XM25's estimated cost of over $30,000 may prove to be something of a limitation for now.

Read more: The 11 Most Important Guns in History - Popular Mechanics