Small Easy K'nex Gun

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Introduction: Small Easy K'nex Gun

This is a little gun I came up with because i was bored. It gets a pretty good range depending on the band and is very simple.

Thing you need
~A few knex pieces(haven't counted)
~1-2 small rubberbands

Step 1: Barrel and Firing Pin Assembly

This doesn't need a real description the pictures should explain it.

Step 2: Handle Assembly


Step 3: Rubberbanding

Depending on the bands you use this will very quite a bit. But here is the method i use.Ignore the extra peices laying around. When the firing pin is inserted move the rubberbands to the left of the trigger. This will make it lock when the pin is pulled back.

Step 4: Loading and Firing

Pull back the firing pin. THe trigger should automatically lock. Then load your ammo into the barrel. The small black rods, the little bigger grey rods, and ball bearings all work great. Move the trigger to the left to fire. Constructive Crtisism welcome, but be nice...this is my first instructable.

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    43 Discussions

    hey guys i built a gun and it can honestly kill a squirrel it shoots 60 feet thats not a maby thats a seriously,it requires simple and easy peices to get and has a real trigger,anyone want me to post it?by the way umm it says like 4:40am but really it is 7:40 so umm yah tell me if it sounds good its more compact and better than this gun there i said it!

    4 replies

    can you post the link plz? theres cats pissing of my mums catand my dad wont let me shoot em with his air rifle could u send the link plz?

    hey, i lov ur gun but im havin trbl wit the ruber bnds.

    1 reply

    dude this gun rocks. I built it and shot it at my little brother when he was bothering me. my mom thought it was hilarious

    hey guys, i came up with quite a few modifacations for this gun. Do you want me to post it?

    your gun uses about 35 pieces and it's small and compact how creative can a 45 piece limit allow us to get? up the piece limit to 55, 65, or 75 or have multiple classes? just a few ideas

    3 replies

    KILLERK i made a pretty good gun with only 20 peices ripped of your idea a little (i love your gun :D)

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    y do u have a space between the trigger and end of the gun? just for looks or something? just wondering thats all, looks like it will shoot alright