Chiappa Firearms CF710.377 X-Caliber Gauge Adapter

The Chiappa Firearms X-Caliber 12GA/45ACP gauge adapter insert is a steel, fully rifled 8" long component designed to enable practical experimentation and versatility in compatible break-action platforms. This 12ga/45acp insert is built to work with any break-open configuration using a recommended extractor, providing a reliable, manual extraction workflow that supports safe handling and straightforward operation on the range. The blued finish and precise dimensions1.40 x 1.30 x 7.45 inchescontribute to durable performance while maintaining a compact profile that integrates smoothly with existing shotgun barrels. By combining a 12-gauge chamber with a .45 ACP projectile path, shooters can explore alternative loadings, training scenarios, or specialized field applications without needing multiple firearm platforms, all while maintaining the control and fit expected from Chiappa Firearms engineering. This adapter insert embodies thoughtful design that emphasizes accuracy, repeatability, and user-friendly maintenance, making it a practical addition for dedicated enthusiasts who value expanded capability and responsible handling in shotgun and conversion setups.