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Knife bayonet

From Wikipedia, the free encyclopedia
US Marines practicing with OKC-3S bayonets attached to their M16 rifles.

A knife bayonet is a knife which can be used both as a bayonet, combat knife, or utility knife as a cutting and thrusting tool or weapon. The knife bayonet became the almost universal form of bayonet in the 20th century due to its versatility and effectiveness. Spike bayonets proved useless when separated from the rifle and ineffective in trench warfare; and while versatile, sword bayonets proved to be impractical weapons in trench warfare because of their overall length. The first knife bayonet to see widespread service was the 10 inch (25.4 cm) blade Seitengewehr 1871/84, which became the standard German infantry bayonet in 1884. Its derivative, the Seitengewehr 1884/98, would go on in use until 1945 in German service.

The knife bayonets are basically fighting knives or utility knives with a lug and/or muzzle ring to attach to the barrel of a firearm such as an assault rifle, submachine gun, or combat shotgun. Almost all bayonets today are knife bayonets that are designed for use in hand-to-hand fighting and as utility knives. Some have serrated back edges to enhanced its cutting utility and to be usable as wire cutters (when used in conjunction with fittings on the sheath).

M9 Knife Bayonet

Modern knife bayonets have 6 inch (15.24 cm) to 8 inch (20.3 cm) long and .75 (1.905 cm) inch to 1.5 (3.81 cm) inch wide blades, and are often fullered. They have been tempered for durability so as not to bend or break when twisting; this was often the problem with long and slender spike bayonets.


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