This US-M4 Case Bayonet is designed for use with the M-1 Carbine and USM8A1 Scabbard. The bayonet features a 6.50 blade length and is made by USA brands. It is ideal for hunting and outdoor activities, and is a must-have for any knife enthusiast. The design is sleek and stylish, with a durable and sharp blade that is sure to impress. Whether you are using it for camping, hunting, or any other outdoor activity, this bayonet is sure to be a valuable addition to your arsenal.