The Predator was born to hunt, with suppressor-ready threaded barrel w/11 degree Match Crown; optics-ready Picatinny rail; built on the Patriot chassis; spiral fluted bolt; patented LBA user-adjustable trigger; and oversized bolt handle. Predator rifles offer unmatched accuracy and dependability. Includes drop box magazine. Firearm Specifications Manufacturer: Mossburg Model: Patriot Caliber:400 Legend Barrel Length: 20 in Overall Length: 40.25 in Twist Rate: 1:10 in Finish: Matte Blued Sights: None Grips/Stock: FDE Magazine Capacity: 4