Want to buy a Beretta C4 storm 9 mm to accept 92 FS mags, will pay cash or have also guns to trade if interested

Are you referring to a CX-4 rifle in 9mm? If so, I have one setup for the 92 FS mags. It has a threaded barrel and I sent it to have all the Sierra Papa mods put into it - trigger, hammer, reduced power hammer spring, steel recoil guide and the HD buffer. Probably has 300 rounds through it. I stopped shooting it much when I bought my Sig MPX. I also have 20 and 30 round mags for it. I can dig it out of the safe and take some pics if you are interested?