This is a basic rundown of the most common operating systems for airguns: pneumatic, CO2, and spring-piston. Also, here's a link to a very clear article about hoplophobia:
Why do people so often assume the worst of our intentions? Just listen to the talking candy bar blues.
Oh... sorry if you got an error message when you tried to download my last release. Just after I published episode 25, I re-posted episode 23 and blew out the bandwidth on my free hosting service. Dang! I should have taken Mark Vanderberg's good advice to upgrade my account just a day earlier. My bad. It won't happen any more.
If you are having trouble downloading, try this backup source:
Episode 26: Airgun Operating Systems