Chiappa Firearms CF710.405 X-Caliber Gauge Adapter

The CHIAPPA X-CALIBER 20GA/.45ACP from Chiappa Firearms is a compact, steel gauge adapter insert designed for use with break-open actions, enabling reliable integration of a 20 gauge shotgun shell with the .45 ACP chambering to expand versatility at the range or in the field. Built to be robust and precise, it features an 8" profile, a blued finish, and fully rifled interior geometry that enhances accuracy and consistent performance when paired with compatible containers and projectiles, while its manual extraction design supports deliberate, controlled cycling. This adapter insert measures 1.40 x 1.25 x 7.35 in its mounting footprint, reflecting careful engineering to maintain balance and compatibility without compromising handling. The combination of steel construction and the dedicated Type/color Gauge Adapter Insert configuration optimizes durability and reliability during repeated use, making it a practical choice for shooters seeking to maximize the utility of existing break-action platforms. Chiappa Firearms blends thoughtful design with functional versatility, enabling safe, effective operation across a range of shooting scenarios where the 20GA/.45ACP pairing can offer distinct handling, reduced recoil experience, and expanded shot opportunities.