Welcome to the forum!

I'd suggest these things:

1) Clean (but don't lube) your magazines, load them to capacity, and let them sit for about a week.

2) Lock your slide open, chamber empty, and let it sit for about a week, while the mags are sitting.

3) Buy some better ammo, and several different brands. (May be tough to do these days, but try what you can find...and use FMJ rounds at first, before your defensive rounds.)

4) If you know an experienced shooter, ask them to shoot your gun as well.

You don't say if this is your first gun, or what your shooting experience is. You may be limp-wristing it...you may have a gun that is ammo-sensitive...and/or it may just need a break-in period (locking the pistol open and loading the mags helps) although that's not usually the case in these guns. The steps listed above introduces several variables at once, which usually isn't what you want to do when trouble-shooting, but I think you will find that your problem is either limp-wristing or ammo-related, so steps 1 & 2 probably won't help or hurt in your case...but they are what I do with every new gun I buy.