This refers to a specific accessory for the Thompson/Center Contender, a break-action, single-shot pistol and rifle platform known for its versatility and interchangeable barrels. A .45/.410 barrel allows the firearm to chamber both .45 Colt cartridges and .410 bore shotgun shells. The choke component, typically a screw-in device placed at the muzzle, constricts the shot pattern of the .410 shell, allowing users to tailor the spread of the pellets for different applications like small game hunting or target shooting. Different choke constrictions offer varied shot patterns, from tighter spreads for longer ranges to wider patterns for close-range targets.
The ability to interchange barrels, coupled with the option of using a choke with the .45/.410 barrel, significantly enhances the firearm’s adaptability. This flexibility allows a single platform to serve diverse purposes, from handgun hunting to recreational shooting. Historically, this versatility has made the platform popular among enthusiasts and hunters who appreciate its customizable nature. The use of a choke with the .45/.410 barrel further extends this adaptability, providing options for optimizing shot patterns for specific needs and targets.