This AR-10 by CMMG features and aluminum lower, stainless steel Heavy Taper Barrel, Magpul Stock, and ZEROED SV Brake.
CMMG 65A14C4AB Endeavor MK3 6.5 Creedmoor 20″ 20+1 Black Aluminum Rec Stainless Steel Barrel Black Adjustable Magpul MOE Stock Right Hand