There's nothing wrong with decapping live primers. Where ear and eye protection just in case. People do it all the time. It's not a grenade. The only other precaution is to not have other primers on the press at the time. It's really not a big deal.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.