Homemade semi automatic airgun

Channel: wyz2285


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A new video about my homemade airgun, using high pressure to show the performance of the gun.
12onze co2 paintball tank, charged with air to 300 psi
Fps: +- 800 with a 0.25g airsoft bb
50 shots from one charge.
How to make a semi-auto airgun: http://www.youtube.com/watch?v=RKpeHUsa5vw
How to make the valve: http://www.youtube.com/watch?v=8zvUMFqUVcI
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