The Carlson Choke Tube Flush for 20 gauge shotguns delivers reliable, high-performance constriction with a Browning Invector Plus thread pattern, offering a flush-mount Full choke that optimizes shot pattern density and distance. Crafted from durable 17-4 stainless steel, this choke tube combines corrosion resistance with long-lasting rigidity, ensuring consistent performance in varied field conditions. Its compact dimensions1.20 x 3.60 x 7.95 inchesand a precise .600 diameter enable a secure fit and repeatable results when mounted flush to the muzzle, making it a practical choice for birds, upland game, and passing shots where controlled pellet spread matters most. The 20 gauge compatibility pairs seamlessly with standard waterfowl, pheasant, and sporting clay setups, reinforcing versatility without sacrificing reliability. Designed to work with Invector Plus-compatible barrels, this choke tube helps shooters fine-tune shot performance, delivering tighter patterns and improved distance control while maintaining smooth operation and easy maintenance. Ideal for hunters and clay shooters seeking a balanced, field-ready choke that blends trusted materials, established threading, and straightforward compatibility into a single, cohesive upgrade.