Armscor Rock Island Armory (RIA) manufactures pump-action shotguns under the "Rock Island Pump" series. Armscor Rock Island pump-action shotguns are built on a traditional and proven pump-action design. They typically feature a steel receiver and barrel, ensuring durability and longevity. The design is straightforward, making them easy to operate and maintain. These shotguns are available in various calibers and gauges, including 12-gauge and 20-gauge. The choice of caliber and gauge allows users to select a shotgun that fits their intended use, whether it's for hunting, sport shooting, or home defense. The shotguns usually come with a tubular magazine under the barrel that holds multiple rounds of shotgun ammunition. These pump-action shotguns offer a range of barrel lengths, allowing users to choose based on their preferences and requirements. Some models may come with interchangeable chokes, providing versatility for different shooting applications. Depending on the model, these shotguns may feature a variety of sighting options, including bead sights for improved aiming. Some models may also have a Picatinny rail or other mounting options for adding optics or accessories. The shotguns come with a variety of stock and grip options, including synthetic or wood stocks. The design of the stock is often chosen for ergonomic comfort and recoil management. Common finishes include blued, parkerized, or other durable coatings designed to protect the shotgun from the elements and wear.