Iron Brigade Armory under contract to the Defense Advanced Research Projects Agency (DARPA) developed and built the XM-3 to incorporate the best available technology into a sniper weapon system to address current operational concerns on size, weight, target detection, sound suppression, accuracy, target range, day/night operations and the use of titanium.
The XM-3 has established the baseline from which DARPA will identify investment areas where new technologies are needed to provide snipers and riflemen the greatest possible advantage on tomorrow’s battlefield.
For a great article on this Sniper rifle (READ THIS)
XM3 Sniper System Specifications:
Specification