A blowgun is a simple ranged weapon consisting of a long narrow tube for shooting light projectiles such as darts. It operates by having the projectile placed inside the pipe and using the force created by forced exhalation ("blow") to pneumatically propel the projectile. The propulsive power is limited by the strength of the user's respiratory muscles and the vital capacity of their lungs.
This is very simple weapon and now days to make this type of weapon is very easy, this time I would like to show you, How to make a powerful blowgun from water pipe and I put a laser on the top of it for accuracy. it's so much fun.
so.. let's check this out..

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