The photo above shows a Ranger using a SCAR-H (MK 17 Mod 0) in Afghanistan, a new 7.62x51mm semi-auto from FN. The civilian model is known as the FN SCAR 17S and should be available for sale sometime next year.
US Army Rangers engage Taliban forces in Khowst province, Afghanistan, November 2009. The foremost Ranger is armed with a MK 17 Mod 0 (SCAR-H), a 7.62mmx51mm assault rifle. This is one of the first photos of the SCAR in operational use as apposed to training.