Instructables
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Picture of Knex Freek Semi Auto ( K.F.S.A )
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It is a true semi automatic gun. Pulling the trigger pulls
back the ram and fires the shot.


Range is 30ft with 2 new #64 rubberbands. (potential range of 50ft)
If you put more than 2 bands on, you will get more range.
This gun shoots as far as you are strong. You can put on as many bands as you want, it wil just take more effort to pull the trigger.




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Step 1: Warning

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 This is a highly advanced gun, it takes alot of skill to build and use it, unless you are a knexer. And you know who you are. TO sum it up, this gun is more advanced than other guns and it is not recommended for newer builders or even moderate builders. This is an advanced gun. 

Step 2: The Turret

 This is how to make the K.F.S.A turret and holder.

Step 3: The Gun

 This is how to make the pistol version of the K.F.S.A

Step 4: The Auto turner

 THIS IS OPTIONAL!!!!!

This auto turns the trigger.
It doesnt work amazingly :( you can use a motor if you want :)

Step 5: Adding stuff

 add this stuff

Step 6: Firing!

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Put a bunch of bands on!!! For you first shot ever, get a piece of ammo, load it, then pull back the trigger and manually twist the turret. Have fun!

If you want to use the stop mech:

pull the trigger until you hear a click, take your finger off the trigger and the hammer should stay cocked back :) than pull the trigger when you want!

DO NOT PUT ALOT OF FORCE ON THE TURRET! THE BAND THAT YOU USE FOR THE TURRET SHOULD ONLY BE BARELY STRONG ENOUGH TO TURN THE TURRET!! THATS IT!!!!
MORE FORCE ON HE TURRET MEANS MESSED UP SHOTS AND  BAD RANGE!!

Step 7: Stuff

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 this is stuff


qwerty9875 years ago
what does the little thingo in front of the ammo do and where does it go exactly.

KnexFreek (author)  qwerty9875 years ago
 it stops the turret so it will shoot 1 at a time. otherwise this gun would not work at all