Futuristic rifle that fires radiocontrolled bullets to be used by US troops in Afghanistan this month Mail Online

The XM25 rifle uses bullets that be programmed to explode when they have travelled a set distance, allowing enemies to be targeted no matter where they are hiding.

Source:
http://www.dailymail.co.uk/sciencetech/article-1334114/Futuristic-rifle-fires-radio-controlled-bullets-used-U-S-troops-Afghanistan-month.html