As a LEO who carries a Glock 22, .40 cal, I consider it the best in the business. Off duty I have my Model 27 which can use the mags from my Model 22.
Though, I will say, the one time in 10,000 rounds that I have had a malfunction with a Glock, was when I was using the extended 22 mag in my model 27, this caused me to pull the bottom of the mag, and I was using crap training ammo, which lead to a mis-feed upon firing.
The one down side is that the trigger does need to be pulled to field strip, and a Glock will fire a chambered round with the magazine out. Our cleaning tabel has 2 holes in it, showing it can happen to experienced LEO's.
But also being a certified Glock Armorer, I still say there is no finer semi auto than a Glock, and I reccommend the .40 cal or .357 Sig round. And for the zombie ammo, a bonded round like Speer Gold Dot or Remington Bonded Golden Saber is the way to go. Our dept found that out first hand. A non-bonded round will fragment going through auto doors and windshield glass causing minor wound and lacking the mass to stop the bad guys action......If you're not accustomed to a semi auto, I tell folks to stick with a good S&W 6 shooter like the Model 66 or 686 in .357 so you can scale down to a lighter .38+P if you don't want the buck of a magnum round....and stick with the bonded ammo.....just my $.02......
Thanks Anon, I agree with you 100%. Gold Dot is what I use as well in my autos.
The combo of service size Glock/compact or Subcompact Glock is simply the best combination I can think of regarding main gun and backup. Similar operation system, the smaller one can take the bigger one’s mags, same ammo, Glock itself being the best autos these days.