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So glad you posted. I have RAMI BD as well and while having no issues with multiple FMJ brands (mostly CCI made) found that hollow points from SIG365, SIG Elite V Crown and PPU Self Defense all would FTB on the 3rd or 4th round in 3 different CZ 14-rd mags. The HP's were all stoving on the feed-ramp lip. I recleaned feed ramp and still no-dice. Hornady Critical Defense 115g seem to be the only HP's without issue. Will have to look into sending back to CZ as suggested for a good polishing. Thanks for the info.
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I had issues with my RAMI BD that I bought used. It was 100% with the 10 rd mag, and FMJ's with the 14 rd mag. However, the leading sharp edge of HST's would catch on the bottom of the feed ramp and become wedged in place.
After some research, I swapped the noticeably weaker 14 rd magazine springs for some +5% Wolff 16 round magazine springs. That made the 14 rd magazine spring tension feel more like the 10 round magazines. I also moved to a HP with a more rounded front edge, Gold Dots. With the short barrel, I went with 124 gr +P Gold Dots. That combination has been 100% reliable.
It's possible that the magazine springs or Gold Dots would have each been enough, but I'm not going to do a bunch of testing when I have a set up that works. I stocked up on the Gold Dots and haven't looked back. YMMV.