i wont trust it...some say theres no problem...but ive seen it in pistols, ARs and shotguns...a weak spring can and will cause feeding problems...
my fix? get more mags and rotate them...every week or 2 i unload my loaded mags, drop the floor plate from them and let the springs be fully relaxed and load ones that were being relaxed...
if a spring is feeling weak, i replace it...i replace my shotgun spring every year or 2...springs are cheap...my life isnt...when i need that gun, i may need every single round i can fit...im not risking it...
what i do may seem way overboard to most people...but to each their own....