Excellent & informative review. Thank you for your professional work and for posting it here.
My CT380 had not one problem with the Remington FMJ or the Hornady CD, but would not run the WWB at all. I was using three of the 7 round factory mags. All locked back on the last round every time with the good ammo.
I may get some of those MagGut kits, but they seem kinda pricey.