I use them in 308 30-06 and 223. I cant tell thedifference. They are non corrosive but are a little harder than the ones produced here. You will have issue in firearms that have worn or weaker firing pin springs.
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith
The problem with being stupid is you cannot simply decide to stop doing dumb things...
"I crapped my pants to avoid the draft!!" -Ted Nugent