Other Details Manufacturer: Mossberg Manufacturer Part Number: 28252 Action: Bolt Action Barrel Description: Fluted Threaded Barrel Length: 20" Barrel Length Range: 20" to 20.99" Caliber/Gauge: .450 Bushmaster Capacity: 4 + 1 Muzzle: Match Crown Overall Length: 40.25" Rate of Twist: 1:24" Stock Description: Fixed Stock Finish Group: Brown Trigger: Adjustable LBA Weight Range: 6 lbs to 6.99 lbs