They will send several clips with a reamer so they know you will lose one now and then. I lost one every time I changed pilots until I was about to run out of clips one day and got the idea to lay a towel on my work bench so the clip cannot bounce when it comes off. I haven't lost one since. They sell them by the 100's for cheap.
I called manson and I was a bit surprised to learn that every custom measurement I wanted on my 6ppc reamer was an upcharge. Example, he grinds a .262 nk as a standard. If you want a .265 that will cost you 30$. If you want your base any size other than his standard, that's another 30$, free bore is the same. Your standard 6ppc reamer cost 160, but if you don't want what he grinds, then that reamer will cost you more money.
Jay,
Another trick is to put the part in a clear plastic bag whilst removing the clip, spring, whatever. The clip, spring, whatever comes flying off and is captured by the bag. Works like a charm.
Justin