Swiss Steel USA is the 2nd largest global producer of stainless bar products. We have developed specific stainless grades for the firearm industry. Our 416R & 410R material is specifically designed for the precision rifle barrel industry providing a balanced chemistry which will provide optimum machining. Our product is properly double stressed relieved, with a production process that will provide superb straightness. Each bar is 100% ultrasonic tested, and is stringently monitored throughout the whole production path. We offer over 200 grades for all sporting industry applications. (less)