I have a G27 which was purchased approx. 3 years ago.
Also have a 9mm barrel and mags AND 357 Sig barrel and mags.
Total rounds is approx. 3500. 357 Sig approx. 500, 9mm approx. 1000 with the rest being 40 S&W.
Never had a problem with the gun until a couple of weeks ago.
Had some older 165...