Blog
Glock Generations Explained: What Fits Gen 3, Gen 4 and Gen 5
Gen 3, Gen 4 and Gen 5 GLOCK pistols look almost the same from a distance, but enough changed inside that a part listed only for "G19" can be the wrong part for your G19. This guide covers how to tell the generations apart, what carries across, what does not, and how to confirm fit before you order.
How to identify your generation
Gen 3
Gen 3 frames have finger grooves on the front of the grip, a thumb rest on the grip panels and an accessory rail on the dust cover. The grip has no interchange
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Nov 8th 2026 -
Glock Guide Rods and Recoil Springs: A Buyer's Guide
The guide rod and recoil spring are the parts that return a GLOCK slide to battery after every shot. They are inexpensive, they wear out, and they vary by model and generation more than most owners realize. This guide covers the factory designs, common aftermarket materials, what spring weight means, and how to choose the right assembly for your pistol.
What the recoil spring assembly does
When a round is fired, the slide moves rearward and compresses the recoil spring. The spring then drives t
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Oct 31st 2026 -
Glock 43 vs 43X vs 48: Which Parts Interchange?
The GLOCK 43, 43X and 48 are all 9mm "Slimline" pistols, and they share more parts than most owners expect. They are not identical, though. A few frame-side parts changed when GLOCK widened the grip for the 43X and 48, and those are the parts that cause most ordering mistakes. This guide covers what is the same, what is different, and how to confirm fit before you buy.
The three pistols at a glance
GLOCK's published specifications show where the models line up and where they split:
G43: 6-roun
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Oct 31st 2026 -