Chamber: .223 Wylde. The CA5five6 build features a forged aluminum receiver set and a black nitride-finished BCG matched with a Christensen Arms carbon-fiber-wrapped 16 in. 1:8-twist stainless barrel and a carbon-aluminum hybrid handguard. Weight: 6.3 lbs. CA-15 G2 is a 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. Stainless steel or carbon-fiber barrels. Weight: 5.8 lbs. CA-10 G2 in .308 Win. (18 in. barrel, 1:10 twist) and 6.5 CM (20 in. barrel 1:8 twist) is designed for larger calibers and longer shots. Features: Aerospace-grade carbon-fiber free-floating handguard, billet aluminum receiver set, M-Lok or KeyMod fitments. Similar barrel finishes and triggers to CA-15 G2. Weight: 7.2 lbs. CA-10 DMR is a long-range rifle with an aluminum receiver set, proprietary barrel nut, and aerospace-grade carbon fiber handguard assembly. Comes with Christensen Arms carbon-fiber-wrapped barrel options in 6.5 CM (20 and 22 in., 1:8 twist) and .308 Win. (18 and 20 in., 1:10 twist). Titanium side baffle brake, ⅝×24 threaded muzzle. Weight: 7.8 lbs.