Quote Originally Posted by Tim K View Post
I modified all my 550 heads to floating dies, even the stock Dillon head. It's trivially easy to do.

I had issues with my Whidden seater die, too. I'm glad to hear it wasn't just me. I'm done with those monkeys.
Is this the one i saw many a year ago (somewhere on line) where you place an o-ring under the lock nut. Between it and the tool head? Or some other low budget but works deal.