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There is a lot to like about a 12 gauge semi auto that keeps things simple, and the Rock Island X4 LI-ON does exactly that. Built around a lightweight black anodized aluminum receiver and an 18.5 inch steel vent rib barrel, it comes in right around 7 pounds, which makes a real difference when you are moving through brush or working drills at the range. The fixed synthetic pistol grip stock gives you a solid, repeatable hold, and the fiber optic front sight paired with an adjustable rear gets you on target quick in just about any light.
The 3 inch chamber runs both 2-3/4 and 3 inch shells, and the gas system ships with a light load piston already installed plus a heavy load piston in the box. Swap between them based on what you are feeding it and the gun stays happy whether you are burning through light target loads or stepping up to buckshot and slugs. Capacity is 4+1, and the receiver is set up to accept a small optic if irons are not your thing.
The included Full, Modified, and Improved Cylinder choke tubes are what turn this from a dedicated tactical gun into a genuine do-it-all shotgun. Screw in the Full for turkey, drop to Improved Cylinder for close work or clays, and the short barrel keeps it handy in tight quarters either way. It is just as much at home by the nightstand as it is in a deer blind or on a 3-gun stage.
Rock Island built this one for people who want a dependable semi auto without a pile of extras they will never use. A manual thumb safety, straightforward controls, and durable synthetic furniture round out a package that is easy to run, easy to clean, and backed by Armscor's limited lifetime warranty. For a first semi auto scattergun or a no-fuss addition to the safe, the X4 LI-ON is a smart pick.
Yes. The X4 LI-ON has a 3 inch chamber and runs both 2-3/4 and 3 inch 12 gauge shells. It also ships with two gas pistons, a light load piston installed from the factory and a heavy load piston in the box, so you can match the gun to the ammo you plan to run for the most reliable cycling.
It includes a set of three screw-in chokes: Full, Modified, and Improved Cylinder. That range covers everything from tight turkey patterns to wide open close-range work, which is a big part of what makes this shotgun so versatile for the money.
It checks the right boxes. The 18.5 inch barrel keeps it maneuverable indoors, the semi auto action allows fast follow-up shots, and the fiber optic front sight is easy to pick up in low light. The 4+1 capacity and pistol grip stock round it out as a capable home defense setup that can still pull double duty for hunting or clays.
Yes, the receiver is set up to accept a rail-mounted optic, and owners report that small red dots mount up without much trouble. If you prefer irons, the factory fiber optic front and adjustable rear work well right out of the box.
| UPC | 812285025728 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | X4 |
| Action | |
| ATF Type | Shotgun |
| Barrel Finish | Black |
| Barrel Length | 18.5" |
| Caliber/Gauge | 12 Gauge |
| Capacity | 4 + 1 |
| Chokes Included | Full/Improved Cylinder/Modified |
| Length | 44.5 |
| Package Height | 3.8 |
| Package Width | 9.5 |
| Product Type | Shotgun |
| Safety | Manual Thumb |
| Shipping Weight | 9.3 |
| Sights | Fiber Optic Front/Adj Rear |
| Sights Type | Fixed Sights |
| Units per Box | 1 |
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