The Century Arms Centurion A4 is a rugged and versatile 12 gauge semi-automatic shotgun chambered for 3-inch shells, built to meet the demands of tactical shooters and home defense users alike. Finished in Flat Dark Earth (FDE) and equipped with a 20-inch barrel, the Centurion A4 blends modern styling with reliable performance for a wide range of defensive and recreational applications. Featuring a gas-operated action, the Centurion A4 ensures smooth cycling with both 2-3/4" and 3" shells. The 20" barrel offers an optimal balance between maneuverability and effective shot dispersion, making it well-suited for close-quarters defense or range training. Its FDE finish provides a tactical, low-reflection look while enhancing durability in the field. This model often includes a removable box magazine, ghost ring-style rear sight, and a Picatinny top rail for mounting optics or accessories. The ergonomic synthetic stock and pistol grip enhance control and shooter comfort, while the rugged construction ensures consistent performance even in harsh environments.