The Chiappa Firearms CHIAPPA X-CALIBER 12GA/410/ is a versatile gauge adapter insert designed to extend a break-open shotguns capabilities with precision and reliability. This 8" blued steel piece is fully rifled, engineered to handle 12 GA, .410, and .45LC as a single, compatible insert, offering seamless integration for shooters seeking enhanced versatility from a trusted brand. Built for manual extraction and optimized for use with a break-open platform and recommended extractors, the X-CALIBER unit delivers consistent accuracy and dependable performance across multiple gauges, making it a practical choice for field use, shotgun sport shooting, or controlled testing scenarios. The steel construction ensures durability in rugged environments, while the compact dimensions1.20 x 1.35 x 7.35 inchesprovide a low-profile presence that wont compromise handling or balance. Whether youre refining your long-range pellets, exploring alternative chamberings, or simply expanding your shotguns versatility, this gauge adapter insert from Chiappa Firearms combines robust construction with thoughtful design to support a variety of shooting applications.