Soldier Systems Daily posted that the US Army is trying to field 7.62 rifles in next 24 months. The rifles will be of a semi-auto variant similar to CSASS design. It will be used as SDMR(Squad Designated Marksmanship Rifle)
While most of setup will be close to that of H&K's CSASS, scope might be from some other source.
You can read more details from
Link: http://soldiersystems.net/2017/05/03/us-army-7-62-rifle-update/
From: Soldier Systems Daily