Testers are a godsend
That might be a question for your local gunsmith, as its condition will determine if the breech can handle modern loads. Another option is to fire a lower powered modern load.
Dark Brandon rise up
*comments 
*comments
Ok, I see now, the signing certificate changed, so f-droid hadn't installed it yet.
I was thinking the same thing; I don't see any changes. Are you guys getting yours from f-droid?
I side with you. I've donated over a gallon of blood and blood products throughout the years. You're helping someone. The reason they pay you is to incentivize coming and doing it. It's painful for the donor, and it takes a while for your body to recover. The company doing so is (in my experience, anyway) a non-profit organization. They exist to help people. They do make money, but that's because they have to pay their employees and donors, as you've mentioned.
The translation was understandably stupid, though; it's no wonder it became a tagline:
Unfortunately, this person is right-wing, so they probably drew it for the funny reason.
Just when I thought Yemen couldn't get any cooler, they go and release a rocket with a Palestine-themed livery.