Excuse me, what is a protruding bamboo shoot? It is the part on the gun. What is it? Where is it installed? What are its left and right sides?

The ones called protrusions on firearms are usually locking protrusions. Others are not called protrusions. There will be jams, such as magazine jams, receiver jams, etc. The locking protrusions are several metal protrusions on the bolt. Their function is to seal the gun chamber when the egg is fired, thereby reducing the loss of gunpowder power and making the warhead more powerful. At the same time, it also protects the shooter from the backlash of the eggshell. hazards of things. Take the rotating pull-back rifle as an example. When the bolt is opened, the bolt is rotated, and the protrusion and the locking guide groove are aligned. After the bolt is pulled back, the bolt is pushed back again and the egg is pushed into the chamber. At this time, the protrusion and the locking guide groove are Alignment, after pressing down the bolt, the protruding bamboo shoots will jam the barrel as the bolt rotates to lock it, completing the preparation for breaking out the egg. These are the functions of the protruding bamboo shoots.

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