Terlingueno. 3190 posts · Joined 2014. #14 · Sep 1, 2016. I looked at the linked Glock form, and it says G19 prior to 2000 as well. So one of two things must be true. 1. Glock forgot that they manufactured two pin Gen 3 G19's in the third quarter of 2001 that used the same locking block as the Gen 2 G19's. 2.
The new slide is also a little heavier as a result of the new configuration, resulting the Gen 5 Glock 19 being a little less than a half-ounce heavier than the Glock 19 Gen 4. The Gen 4 version weighs in at 21.16 ounces with no magazine; the Gen 5 at 21.52 ounces. So, the difference in size?
The Glock 19 defined an entire generation of pistols as the standard-bearer for what a compact pistol should be. It’s small enough to be carried concealed but big enough to be a duty or home defense pistol. Glock 19 Gen 5. New generations have seen a rail for lights and a cut for optics.

There are differences between Gen 4 and Gen 5. Noticeably the ambi features. Gen 5 also uses a regular rifling barrel, Gen 5 for me has a nicer trigger and uses a single pin to hold it all, a mag flair on all models except the 19X, and finally the most noticable Gen 5 uses a different coating method than Gen 4.

2. Glock 19 Gen 5. If you’re looking for the same punch as the G17 but something that’s easier to carry around, the Glock 19 might be the gun for you. The size and design of the G19 makes it an incredibly easy gun to handle, which is why it’s one of the top-rated self-defense handguns for women. G19. The Glock 19 is the G17’s compact twin. . 156 199 226 16 396 309 360 290

difference between glock 19 gen 4 and 5