Knex Concealed Pen Gun

Hi guys creepersoldier55 here! Back with another knex weapon. If you want to A.be James Bond or B. Scare your little brother, then the knex pen gun is for you!
It uses very little parts but it does use some cut parts.
Anyways let’s get to it!
Pick 1-the “pen”
Pick 2-the reloading chamber
Pick 3-what it shoots
Pick 4-diagram

Time for piece count aka the most painful part for me.
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Rods:
Green rods:4+one for ammo
White rods:3
Yellow rod:1
Red cut rods:3
Red rod:1
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Connectors
Orange connectors:3
Yellow connectors:2
Red connectors:6
Grey connector:1
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Special parts
Rubberband:1
Black Y shaped connectors:2
Cut red

Just follow

Just follow

Watch carefully

Good job if you need help reply and I’ll help anyway here is your cake