Instructables

How to make a 'bolt action' BB launcher out of a mechanical pencil

Step 6: Test Fire

-Put bolt and firing pin assembly into housing with trigger in place

-Insert BB one of two ways
-One- Weak configuration. Cock gun with no BB at first, then roll BB down the end
so it goes from left to right: BB, trigger, firing pin
The advantages of this configuration is that it doesn't put as much stress on the
trigger therefore making it last longer.
The disadvantages are that you can't aim downward and the BB doesn't go as far
-Two- Power configuration. Open bolt then insert BB directly in front of firing pin. It
should go from left to right: trigger, BB, firing pin.
The advantages to this configuration is that you can aim downward without the BB
falling out and that it shoots farther

-When desired configuration is set, pull trigger downward. The BB should fire. Enjoy!


 
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