Chiappa Firearms 12GA 20GA Caliber Conversion Kit. 7in long rifled on the inside it comes handy to use 20GA in your 12GA (only break action shotgun). A lip in the design secures cartridge extraction so it can be removed easily. Specifications for Chiappa Firearms 12GA 20GA Caliber Conversion Kit: Manufacturer: Chiappa Firearms Color: Black Finish: Blued Fabric/Material: Steel Gun Make: Universal Gun Model: Universal Caliber: 12 Gauge 20 Gauge Magazine Capacity: 1 Round Magazine Included: No Condition Details: Other Condition Quality: Excellent Condition: New Package Contents: Chiappa Firearms 12GA 20GA Caliber Conversion Kit The Chiappa Firearms X-Caliber 12ga/20ga 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 12GA 20GA Caliber Conversion Kit is compatible with? The manufacturer says that Chiappa Firearms 12GA 20GA Caliber Conversion Kit is compatible with UniversalChiappa Firearms 12GA 20GA Caliber Conversion Kit