Mossberg Patriot Synthetic Bolt-Action Rifle - It has spiral-fluted bolts with knurl pattern to ensure smooth, comfortable and reliable cycling. It has a 22" barrel with recessed crown to ensure accuracy and durability. It comes with a dropbox magazine for convenient loading and unloading. his model is chambered in 6.5 Creedmoor. Spiral-Fluted BoltsDropbox MagazineRecessed Target Crowned MuzzleBolt-Action