I returned a Cobra easy slide to Archery Experts in return for a Copper John Dead Nuts Pro, but I wanted the .019 pins instead of the .029 pins that the 04's come with. The rep from AE told me he would special order the sight for me, but after a week I still didn't receive my sight so I called today and he said Copper John is having problems with the .019 pins breaking for no reason and they would not send out any sights with the .019 pins attached. But if I really wanted them, I could call Copper John direct and they would send me the .019 pins in exchange for the .029's. I do remember someone on here saying that they had problems with the pins breaking. Are the really that bad? Maybe I'll try the .029's until Copper John comes up with an new design. Anyone have any experience with the .019's?