The Remington 870 Marine Magnum features a corrosion resistant, electroless nickel plating that covers all metal parts, including the barrel and receiver. This shotgun has an 18” barrel with cylinder bore and features twin action bars to ensure smooth cycling while preventing bending or twisting. The synthetic stock and fore-end have ample amounts of checkering to provide a positive grip in wet conditions. The receiver is milled from a solid billet of steel for increased durability and strength. This shotgun has an overall length of 38.5” and weighs 7 lbs.