yes, i am trying to make a big bore auto airgun for survival purposes or something like that. I would prefer air powered because I could just cast my own bullets and fill it up with an air tank myself.

Ive been designing an automatic co2/ air rifle. I have seen several on here that use co2 tanks instead of a tank of compressed air. Why? Is it because you can achieve a higher psi with a smaller tank? Does the co2 last longer without going empty? If I made an automatic co2 rifle, could I just substi...

awesome. thanks for the link! awwwwwww heck, I gotta watch out for you finns! ahaha

Now THAT is exactly the kind of thing I was looking for ! thanks a lot! Im going to get to work on it quite soon.

thank you very much. looks like I got some purchasing to do

pardon my failure to read, the guy was actually from finland lol

So, apparently some guy made a machine gun out of an electric drill. heres the link: http://www.thefirearmblog.com/blog/2009/02/12/finn-invents-electric-drill-powered-machine-gun/ Somebody in the comments said it was a cam driven system. Although I do not intend on building one, i would still like t...

well, my budget is about $700. I dont necessarily care how it works, i just want something with similar performance. You say a low pressure one first? what do you reccomend I start out with? and qevs and dcvs? they will work with higher pressures too, right? I know the original caselman had a blowba...

Hey everybody, im a noob and im looking into making a caselman airgun or girandoni style automatic gun. (for those of you not familiar with a caselman, it is fully automatic air gun powered by a compressed air tank, reportedly being able to be deadly for 30 shots and can saw a 2x4 in half) Im having...