The Stoeger M3K is a semi-automatic shotgun designed for 3-gun competition shooting. The "M3K" in its name stands for "3-Gun Kit," indicating its purpose-built features for the popular and fast-paced shooting sport of 3-gun. The M3K is typically chambered in 12-gauge, which is a common choice for 3-gun competitions due to its versatility with various types of loads. The shotgun features a semi-automatic inertia-driven action system, known for its reliability and fast cycling speed, essential in competitive shooting. It comes with an extended magazine tube, offering a capacity of 10+1 rounds, higher than standard shotguns. The M3K is equipped with a longer barrel, typically around 24 inches, which provides improved accuracy and performance during 3-gun matches. The shotgun comes with interchangeable choke tubes, and a synthetic stock and forend. Many models of the Stoeger M3K come with a front fiber optic sight and a rear sight or a Picatinny rail for mounting optics, enabling quick target acquisition. The Stoeger M3K is intended for shooters looking for a reliable and affordable shotgun designed specifically for 3-gun competitions. Its inertia-driven action system ensures rapid cycling and reduced recoil, enhancing the shooter's performance in fast-paced shooting events.