Originally Posted by MacCool

Piston guns are fine. The design is a good solution to a problem that really doesn't exist, but they're a completely viable weapon system. A friend of mine actually created a line of piston guns (Huldra). I've spent a lot of time talking with him and his technical director (who is also my primary instructor). I still don't own one even though I could get one at cost any time I want. OTOH, he has a new sister line of DI guns coming out (Korstog .. http://www.facebook.com/korstogarms?ref=ts&fref=ts )