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Century Arms built the Centurion A4 around a proven M4-style gas piston system, and that choice makes a real difference in how this gun shoots. Gas-operated actions tend to soften felt recoil compared to inertia-only designs, which means faster, more comfortable follow-up shots whether you're running drills at the range or using it for home defense. The 20-inch barrel keeps things maneuverable without sacrificing much in the way of shot pattern consistency, and the 3-inch chamber handles everything from light 2-3/4" target loads to full-power 3" buckshot and slugs.
The sight package here is one of the A4's better features. Up front you get a fiber optic bead that snaps into focus quickly in a variety of lighting conditions, and the ghost ring rear gives you a fast, intuitive sight picture that works well under pressure. The integrated Picatinny rail on top opens the door for a red dot, magnified optic, or even a weapon light if you want to go that route. It is a more complete out-of-the-box setup than you tend to see at this price point.
The tungsten Cerakote finish is not just cosmetic. Cerakote provides solid protection against corrosion, light abrasion, and general wear, so the gun holds up whether it lives in a safe or gets handled regularly. The synthetic stock keeps weight manageable while standing up to rough conditions that would give a wood stock trouble. At just under 8 pounds and 41.7 inches overall, the A4 has a solid feel without being unwieldy. The interchangeable choke system adds some flexibility for those who want to stretch the gun's range of uses beyond the defensive role.
The Centurion A4 uses an M4-style gas piston operating system. Gas piston designs tend to run cleaner and cycle more consistently across a wider range of load pressures compared to inertia-only systems, and they generally reduce felt recoil as an added benefit.
The A4 is chambered for 3-inch shells and is designed to cycle both 2-3/4" and 3" loads. That covers standard birdshot, buckshot, and slugs. Like most gas-operated semi-autos, it tends to run most reliably with standard-pressure or heavier loads rather than very light target loads.
Yes. The A4 comes with an integrated Picatinny top rail that accepts standard optics and accessories. A red dot sight or a magnified optic mounts directly without any modification, and you can also run a weapon light on the rail if that fits your intended use.
Cerakote is a polymer-ceramic coating that provides strong resistance to corrosion, moisture, and general wear. The tungsten finish on the A4 is both protective and low-profile in terms of reflection, making it a practical choice for a defensive shotgun that gets regular handling.
The combination of a 20-inch barrel, gas-operated semi-auto action, ghost ring sights, and a Picatinny rail makes the Centurion A4 a well-rounded home defense platform. The manageable length, fast follow-up shot capability, and broad ammunition compatibility give it real utility in that role without a steep price of entry.
Yes, the Centurion A4 includes an interchangeable choke system. This adds versatility beyond the defensive role, making the gun a reasonable option for light hunting or clay target use as well.
| UPC | 787450929845 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SG8871TU-N |
| Barrel Length | 20" |
| Capacity | 5 |
| Safety | Yes |
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