What primer?

I've had hang fires & misfires with Remington primers, so much that I won't use them. I've also had a couple of hang fires with CCI's, but it's been rare. The only one I've never had a hang or misfire with has been federal. Supposedly federal uses a more sensitive priming compound than the others, I don't know but I do know they've never not gone bang so I tend to use federals for hunting.