Chiappa Firearms 20GA .410/.45 Colt Caliber Conversion Kit. 7in long rifled on the inside itll let you use .410 or 45LC in a 20GA (only break action shotgun). A lip in the shape secures cartridge extraction so it can be removed easily. Specifications for Chiappa Firearms 20GA .410/.45 Colt Caliber Conversion Kit: Manufacturer: Chiappa Firearms Color: Black Finish: Blued Fabric/Material: Steel Gun Make: Universal Gun Model: Universal Caliber: .410 Bore 20 Gauge Magazine Capacity: 1 Round Magazine Included: No Condition Details: Other Condition Quality: Excellent Condition: New Package Contents: Chiappa Firearms 20GA .410/.45 Colt Caliber Conversion Kit The Chiappa Firearms X-Caliber 20ga/410/ 45lc Gauge Adapter Insert is a quality addition to the Chiappa Firearms lineup. For more great deals on Gun Parts by Chiappa Firearms please browse our Chiappa Firearms Gun Parts page. What firearm models does the manufacturer say Chiappa Firearms 20GA .410/.45 Colt Caliber Conversion Kit is compatible with? The manufacturer suggests that Chiappa Firearms 20GA .410/.45 Colt Caliber Conversion Kit is compatible with UniversalChiappa Firearms 20GA .410/.45 Colt Caliber Conversion Kit