Repeating PaperBall-Guns The student's gun

These two simple toys are made to shoot simple paper projectiles, like the ones you shoot at school with an improvised blowgun.

The first one works with a piston inside, the projectile is shot by the bolt pushing it forward, this can be used to shoot rockets as well, or custom cartridges full of little paper pieces like a birdshot. (i found out that the extra barrel is decreasing the power in this gun)
The second one is operated manually using the bolt handle, and is a simple blowgun.

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