Iver Johnson Choke Tube Features The Iver Johnson Choke Tube delivers a full constriction specifically engineered for .410 gauge shotguns concentrating the shot pattern tightly for extended effective range. This tight pattern is well suited to hunters pursuing small game at longer distances where a more open choke would scatter pellets too widely for a clean ethical shot. Built from stainless steel the tube resists corrosion from repeated use and exposure to weather maintaining consistent performance over time. Its extended profile sits proud of the muzzle making the tube easy to identify and remove when a different constriction is needed. This choke tube uses the Mobil choke style threading matching the thread pattern found on many Beretta and Benelli pattern shotguns chambered in .410. That compatibility makes it a straightforward replacement or upgrade for shooters who already own a Mobil-threaded .410 shotgun. The full constriction gives shooters the option to dial in their shotgun for tighter patterning needs without purchasing a new barrel. Hunters and clay shooters looking to extend the effective range of their .410 gauge shotgun will find this a practical durable choke tube option. Iver Johnson Choke Tube Specifications Manufacturer: Iver Johnson Model: Choke Tube Caliber: .410 GA Choke: Full Profile: Extended Material: Stainless Steel Thread Pattern: Mobil Available At: GrabAGun