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There is a reason marine-finished pump guns have a loyal following, and the Citadel Mariner makes a strong case for the concept without demanding a premium spend. The bright nickel finish is not just for looks. It shrugs off moisture, sweat, and neglect better than a standard blued gun, which matters if this shotgun is going to live on a boat, in a truck, behind the camp door, or anywhere else humidity does its worst. The black synthetic stock and forend keep the whole package low maintenance, and at 6.9 pounds with a 39-inch overall length, it stays quick in the hands and easy to move through a doorway or a duck blind.
The 18.5-inch barrel wears a full-length heat shield, and the 3-inch chamber handles everything from light 2-3/4 inch target loads up to stout magnum shells. Up top you get an adjustable rear sight paired with a blade front, which gives you a real aiming setup for slugs instead of the lonely bead most defensive shotguns come with. The receiver-mounted Picatinny rail makes adding a red dot about as simple as it gets, and the side shell holder keeps spare rounds right where your support hand can find them. Capacity is 4+1 with 3-inch shells, and plenty of owners report squeezing a fifth round into the tube with 2-3/4 inch loads.
Citadel ships the Mariner with three choke tubes, which stretches this gun well past the home defense role. Screw in a tighter choke and it will pull duty on turkeys or pests around the property, open it up for buckshot patterns at close range, or run rifled slugs through an open choke and take advantage of those adjustable sights for surprisingly precise shots.
Imported by Legacy Sports International, the Mariner runs a straightforward pump action that cycles reliably and does not ask for much beyond an occasional cleaning. For a do-it-all 12 gauge that stands up to wet conditions and does not take itself too seriously, this one earns its spot in the safe.
Yes, it handles rifled (Foster-style) slugs just fine, and the adjustable rear sight and blade front make it better suited for slug work than a bead-only gun. Run them through an open choke like improved cylinder for best results, and never fire slugs through a full choke.
It does. Nickel is far more forgiving around moisture and humidity than traditional bluing, which is why marine-style shotguns exist in the first place. It is a solid pick for boats, trucks, and damp climates, though a basic wipe-down and light oil after wet outings is still smart practice.
Yes. The receiver comes with a Picatinny rail from the factory, so most red dots and reflex optics mount right up with no gunsmithing. If you prefer irons, the adjustable rear and blade front sights are ready to go out of the box.
The 3-inch chamber runs both 2-3/4 inch and 3-inch 12 gauge shells, from light birdshot to buckshot and magnum loads. Capacity is 4+1 with 3-inch shells, and many owners find the tube fits a fifth round when loading 2-3/4 inch ammo.
| UPC | 682146897944 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FRMN1220SYN |
| Action | |
| ATF Type | Shotgun |
| Barrel Length | 18.5" |
| Caliber/Gauge | 12 Gauge |
| Capacity | 4 + 1 |
| Color | Nickel |
| Length | 43.1000 |
| Model | |
| Package Height | 2.9 |
| Package Width | 8.1 |
| Product Type | Shotgun |
| Shipping Weight | 8.0 |
| Sights | Blade Front/Adj Rear |
| Sights Type | Adjustable Sights |
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