Group reloading parties.

[ar15barrels]

It's really not something that I would care to do in a large group setting. Reloading is simple but, it does take some focus and attention so as not to make a mistake. I think that in a group setting, it would be too easy to get distracted for a second and make a critical mistake.

Exactly.

The only people that would think a "group" reloading event is a good idea are people that don't know anything about reloading.

[ar15barrels]

Are powder magazines a DIY item, or are they purchased? I seem to recall seeing plans to make them online before.

And more importantly, what are the requirements and what constitutes a powder magazine?

Do you have to put the hazmat sign outside of your building so the fire department knows you have a powder magazine?

[ar15barrels]

Wood lined metal box without any metal fasteners.

Meaning that the wood is simply glued to the inside of the metal box?
Can there be screws holding the wood from the outside of the metal box into the wood as long as the screws are not protruding inside the box?