The Winchester SXP Marine Defender 20 Gauge 18-Inch Barrel Pump Shotgun is a pump-action shotgun chambered in 20 gauge with an 18-inch barrel (brand part no. 512268695). Winchester builds the SXP Marine Defender to resist the roughest weather on a boat, at a cabin or in camp. Matte hard chrome plating covers the barrel, magazine tube, slide arms and other components, and the receiver is drilled and tapped for scope bases. A TruGlo fiber-optic front sight, ribbed forearm and cylinder choke make it a practical home and camp gun.

Key Specifications

• The gun is chambered in 20 gauge with a 3-inch chamber, which sets the longest shell it will chamber.
• The barrel is 18 inches long, which sets the sighting radius and swing of the gun.
• The magazine holds 5 2-3/4-inch shells, which is the capacity Winchester lists for this model.
• The barrel has a matte hard chrome finish, and the plating extends to the magazine tube and slide arms for resistance to wear and the elements.
• The synthetic stock has textured grip panels and a non-glare matte black finish, with a ribbed forearm for control.
• The Invector-Plus Flush choke system ships with a cylinder choke installed, which works with slugs or buckshot.
• The front sight is a removable TruGlo fiber-optic sight over a traditional brass bead, which gives a quick, natural sight picture.
• The crossbolt safety is easy to operate even with gloves on.
• Overall length is 38-1/2 inches, which makes the gun easy to carry.
• The gun weighs 6 pounds unloaded, which affects carry and recoil.

Frequently Asked Questions

What shell length does it take? The chamber is 3 inches, and Winchester lists the magazine capacity as 5 2-3/4-inch shells.

Can I mount an optic on it? Yes. Winchester drills and taps the aluminum alloy receiver, so scope bases can be fitted for an optic.

Which choke tubes does it include? It comes with a cylinder choke installed in the Invector-Plus Flush system, which works with slugs or buckshot.

Buy the Winchester SXP Marine Defender 20 Gauge 18-Inch Barrel Pump Shotgun, Matte Chrome

Hard chrome plating and a synthetic stock make this Marine Defender a pump that tolerates salt air, rain and rough handling. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see more pump-action shotguns.