Wilson Combat WC-10 chambers 6.5 Creedmoor with a capacity of 20. It comes as is, with one mag. The Wilson Combat WC-10 is a high-performance precision-crafted AR-10 style rifle that delivers exceptional accuracy and reliability. Built with high-quality materials and expert craftsmanship, this rifle is perfect for both competitive shooting and tactical applications. With a sleek design and advanced features, the Wilson Combat WC-10 is the ultimate choice for discerning shooters who demand the best. Upgrade your shooting experience with the WC-10 and experience the power and precision of a Wilson Combat rifle.