Chamberings: .223 Wylde, 6mm ARC. Custom-built AR-style rifle optimized for weight and accuracy. Features: Matched receiver set with contour-matching carbon-fiber handguard, black nitride-finished BCG, single-stage match-grade trigger assembly. 16-in. stainless-steel barrel, 1:8” twist. Add $400 for the 16” carbon-fiber barrel, 1:7.5” twist. Weight: 5.8 lbs.