The rotating bayonet prism has many holes. What's its name?

Is that what you mean?

Then you can refer to this

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Jagdkommando special combat knives

Brand: Microtech

TypeNo.: 105-7

Blade material: S35V

In 20 1 1 year, Microsystems designed and manufactured this kind of combat knife for Austrian special forces, and named it "Jagdkommando Special Combat Knife".