In the mid-2000s the US Army decided to field the 7.62 mm M110 SASS to supplement the popular bolt-action Remington M24 7.62 mm Sniper Weapon System.
The service then decided upon a major overhaul of the M24, turning existing stocks of the weapon into the M2010 Enhanced Sniper Rifle.
Jane's Infantry Weapons notes that the M2010 - first operationally deployed to Afghanistan in 2011 - includes a rechambered barrel to accommodate Mk 248 .300 Win Mag ammunition, replacement of the existing Weaver rail with a MIL-STD-1913 rail, a new stock that incorporates a detachable 5-round box magazine, and a detachable sound suppressor.
H&K builds a quality weapon. It's a shame Colt can't be competitive with FN & H&K. It will be a shame to have the American military outfitted with foreign weapons, but if that is the best available it's what they deserve.