Heads up if shooting a Nelson conv.

So my nelson on Caspian frame is built and running great, so I decided to put my herret national grips on right before our weekly league match. I was surprised the mags would not go all the way into the gun, I thought maybe the grip screws were to long so backed  them out a lot and mags went it. So the next day I checked them and they were fine the problem is the mag bases are so big they wouldn't clear the wood of the grips. So went to work on the wood first, ended up having to thin down the sides of the plastic bases too. So just a heads up, you will need to work on things if you go this route but it can be done.

How is this Nelson grouping for you?  What ammo are you using?

I've thought about getting one to use on my Springfield frame.