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.
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From: Soldier Systems Daily