Was wandering if anybody had one & what grain shells you found works best for accuracy & performance. The PMR 30 pistols recommend no less than 40 gr. because of jamming issues. thanks in advance!

Don't know about the CMR30, I have a PMR and it chews through everything that it's been feed, and spits out the empties.

Not one single malfunction.

I've used Hornady, Winchesters, Federal, CCI, and yes, the infamous Armscor.

All worked well for me.

Thanks!!