Oryx Chassis for Short Action Mossberg Patriot rifle. Short Action rifles are 223 Remington, . 308 Winchester, and 6.5 Creedmoor calibers. Comes with 2x AICS 10 round magazines compatible with 308 Winchester and 6.5 Creedmoor calibers. You can convert your plain Mossberg Patriot to precision rifle like the one on the first picture. This is not a rifle, this is chassis/stock only. Shipping is extra