Savage Arms released a teaser before hinting at an AR. The official release is now and they come in various models patterned after AR-15 and AR-10, with Patrol, Recon, Hunter, and Long Range models
Barrel is supposed to be similar to polygonal rifling by using slightly slanted lands. The rifle comes in various calibers including 5.56, .308, and 6.5 Creedmoor.
Price varies from $800 to $2284
You can read more about the rifle from
The Firearm Blog: http://www.thefirearmblog.com/blog/2017/01/04/savage-ar-15-6-5-creedmoor-308-rifles/