Tim Ralston, Survival Expert Founder of Gear Up and International Spokesman for NatGeo's Doomsday Preppers, reveals the ultimate survival rifle X-Caliber. WHAT IS X-CALIBER?: X-Caliber is the most versatile Gauge Adapter system in the world. It allows you to shoot 11 different caliber rounds from one shooting platform: a single-shot 12 gauge shotgun. Each X-Caliber adapter is made from 7 inches of 4140 chromoly steel. Each adapter is also rifled to increase accuracy. WHAT GAUGES
Hide player controls
Hide resume playing