The Henry X Model The Sentinel is a limited-edition lever-action rifle chambered in .30-30 Winchester and produced as a sequentially numbered run of 300 rifles. Its compact 16.5-inch barrel, tubular magazine, and smooth lever action provide a practical configuration for hunting and field use. Fiber optic sights support fast target acquisition, while the integrated optics rail allows the rifle to accept a compatible optic. The threaded muzzle adds flexibility for compatible muzzle accessories. It is number 90 of 300. Chambered In 30-30.