cbmcgee

It requires a different barrel. As mentioned, lower receiver, bolt carrier, magazines can be reused.

I’ve gone through this and I think this comment is spot on. Be honest and upfront. Help them as much as possible with landing their next job. Be respectful of their situation.

Please don't stop being curious. That quality means you belong here.

I have interacted with some of the orgs in the list below. I'm fairly certain that they are all 501.3c orgs but hopefully this will give you an idea. I've tried to think of orgs that are mainly tech focused. Hope this helps.

Volunteer Match Give Lively UPchieve WeVote Learning Equality

Have you thought about looking for a job with a tech related non-profit? I joined one a few years ago after spending my entire career in the traditional for-profit tech space and I have been amazed at the difference between the two worlds. Most of the negative aspects of the VC driven tech world that you talk about don't really exist in the non-profit space. It's not all sunshine and roses, but might be a great way for you to get back to what you used to love as well as contribute to something meaningful.

I grew up in a rural area AR-15s are very popular for varmint hunting. Predators like coyotes are a real problem for farmers. Some states go as far as to offer bounties for the purpose of population control.

http://en.wikipedia.org/wiki/Varmint_hunting

To your original question, do you "need" a semi-automatic rifle for varmint hunting? No, but they are very well suited for that purpose.