Mossberg Patriot Blued/Synthetic Bolt Action Rifle - 450 Bushmaster - The classic styled Mossberg Patriot looks great on the gun rack and feels great when shouldered. Attractive, accurate and affordable, say hello to the Mossberg Patriot bolt-action rifle. It has spiral-fluted bolts with knurl pattern to ensure smooth, comfortable and reliable cycling. It comes with a dropbox magazine for convenient loading and unloading. This model is chambered in 450 Bushmaster and has a 20" threaded barrel.