Mossberg Patriot, Bolt Action Rifle, 308 Winchester, 18 Threaded Barrel, Spiral Fluted, Matte Finish, Black, 5 Rounds 28228 Mossberg Patriot Carbine bolt-actions are packed with features, and are offered in eight calibers and a variety of suppressor-ready barrel lengths. These compact, easy-to-handle rifles make a great choice for multi-game, multi-season hunting.