Calibers: .308 Win., 6.5 Creedmoor. Similar to the BDRX-15 line. Barrels: 16”, 18”, 20”, 1:10” twist, medium contour (.308, 416 stainless steel), 22” Criterion (6.5 CM). Add $250 for a Proof Research carbon-fiber barrel. Large-frame DPMS high-profile compatible. Accepts all mil-spec (DPMS) patterned parts as well as SR25-pattern mags.