CHS CA-15 G2 Carbon Fiber .223 Wylde 16 Inch Stainless Steel Threaded Barrel Carbon Fiber Wrapped Finish KeyMod Carbon Fiber Handguard Aluminum Receiver Cerakote Burnt Bronze Finish BCM Gunfighter Adjustable Stock 30 Round CA-15 G2 CF Direct Impingement operating system. Christensen Arms G2 style billet 7075 aluminum receiver; single-stage match grade trigger (3.5-4.5 pound break); integrated undercut trigger guard; flared magwell. Threaded, button rifled, 416R stainless steel barrel, carbon fiber wrapped, with titanium flash hider; 1/2-28 tpi; 1:8 inch twist rate. Slim-line 14.75 inch aerograde carbon fiber handguard with natural carbon fiber finish; KeyMod compatible; full length top rail. Black nitride-coated bolt carrier group. BCM Gunfighter adjustable black composite stock. Made in the USA.