Phrobis III M9 bayonet Knife USMC combat tactical knife. Great condition see enlarged photos for condition thanks. The snap button on the back that covers the sharping stone does have marks and scratches. Awesome military knife. Does need a sharper edge. It was Adopted in 1984 as a replacement for the M7 bayonet. The muzzle ring fits over the tip of the barrel, and the handle of the bayonet has two level locking mechanisms to secure it firmly to the rifle lug. As opposed to other 1095 ...carbon steel options, the M9 features a maintenance-free 420 stainless steel blade far less prone to rust, with saw teeth milled into the spine. The textured thermoplastic nylon handle provides a great grip in all situations. The included scabbard has a snap closure strap and interfaces with the hole in the M9 blade to create a functional set of wire cutters. Whether your a collector or tactical enthusiasts, the M9 Bayonet with scabbard is a great addition to your gear. Features7" blade with a saw tooth top edge Durable polymer scabbard with quick-release clip and wire cutter