Summary and Key Points: The U.S. Army's Advanced Combat Rifle (ACR) program aimed to replace the M16 rifle with a more advanced design but ultimately failed to find a suitable successor.

Buckle up for a blast from the past as we revisit one of the most powerful American-made machines ever to come out of ...

Well, it's not just any Dodge Viper, but an ACR Extreme that has only a few thousand miles under its belt and only visual flaws that can be fixed relatively easily. Some of you may remember this ...