I have a Rami P in .40sw, and it went back to CZ for a bulge in the frame. I haven't gotten the replacement yet or even heard what they plan to do, so that is still up in the air.
As has been said before, the feeding problem has nothing to do with the frame. I have a buddy that is fairly new to shooting pistols, and is left handed. He had FTF almost every other round with the Rami P and my P-07 (both poly frame pistols). I can take those same guns, same ammo, same day, and have one FTF in 5 mags. Some of it has to do with his grip, angle of his arm, how tight his grip, etc. I haven't been able to tell exactly what it is yet (he lives 2 1/2 hours away).
Something you might try is have someone take a video of you shooting. Take slow well thought out shots, and have them focus on your hands. Get good shots of your grip, angle of your arm, your stance, everything. Then, put it on a big screen and watch it in slow motion. Have other shooters watch it also, and get their opinions.