Beretta 84 Cheetah, Beretta 80X Cheetah, Chiapas MC 14, EAA GIRSAN MC14 T and Tisas Fatih .380 13 RD .380 ACP blued Mec-Gar MGPB8413B

Starting with 5 Stars to not ruin a good thing. I have a Cheetah 80X; the listing showed the 80X in the list of pistols. I have run a box or two with the Mec-Gar MGPB8413B magazines without issues. My question to the community: Have any of you had the same experience? These are 1/2 the price of the official C8J000p magazines