Built around the famous roller-lock delayed blowback system, the Century Arms C308 is an awesome 7.62x51 rifle with durability and accuracy suitable for a wide variety of sporting uses. Features an 18 inches chrome moly 4140 barrel with 5/8-24 TPI RH threads for use with common muzzle accessories. A proprietary Chevron brake is included. A fluted chamber for reliable cycling and extraction, original wood furniture, and a receiver-mounted Mil-Spec 1913 Picatinny optics rail round out the package. The C308 accepts both G3 and CETME magazines. (2) 20 round magazines are included.