Don't own a G-22, but I have shot +/- 10,000 rounds thru my G-27, my G-23 and my G-23c.
ZERO problems. Zero failures to feed, Zero failures to fire, and Zero failures to extract.
All of of my ammo has been factory FMJ (Blazer, UMC, Golden Saber, and Hydra Shock).
Dawg23