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MANUFACTURER · UPDATED MAY 16, 2026

Used Glock Values 2026:
Every Model, Every Caliber.

Founded in 1963 by Gaston Glock in Deutsch-Wagram, Austria, Glock revolutionized the modern handgun with its polymer-frame striker-fired design. Adopted by police agencies worldwide and dominant in the U.S. defensive-pistol market, Glock pistols are sold by generation (Gen 3, Gen 4, Gen 5, Gen 5 MOS). Earlier generations command premiums for collectors; later MOS (Modular Optic System) variants carry the most value on current secondary sales.

Founded: 1963 Country: Austria Total models listed: 95
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9mm Pistols

9mm Luger Glock models — the most-sold caliber across the lineup.

.40 S&W Pistols

.40 S&W Glock models. Largely discontinued in new production but extremely common on the secondary market.

.45 ACP Pistols

.45 ACP and .45 GAP Glock models.

10mm / .357 SIG Pistols

Hunting-class 10mm and the .357 SIG carry pistols.

.380 ACP / .22 LR Pistols

Smaller-caliber Glocks: the slimline .380 and the dedicated .22 G44.

PCC / Carbine

Glock's pistol-caliber carbine and rifle-platform offerings.

Limited Editions / Special Builds

Talo distributor exclusives, anniversary models, and engraved editions. Increasingly collectible.

Glock Value FAQ

How can I tell what generation my Glock is?

Gen 3 has the standard finger grooves, no interchangeable backstraps, and a smooth dust cover (rail on most). Gen 4 adds removable backstraps, a more aggressive RTF (rough texture frame) grip, and a dual recoil spring. Gen 5 removes the finger grooves, has a flared mag well, ambi slide stop, and the Glock Marksman Barrel. Look at the grip and the slide-front profile.

Are early Gen 1 and Gen 2 Glocks worth more?

Yes, particularly for the G17. Gen 1 (pebble-grain frame, 1982-1988) and very early Gen 2 examples in original condition are increasingly collected. Holster wear and refinishing both reduce value.

Does MOS (Modular Optic System) add value?

Yes — MOS-cut slides typically sell $50-120 above non-MOS equivalents because they accommodate the increasingly common red-dot upgrade without slide milling. Gen 5 MOS is the current premium configuration.

Which Glock calibers are easiest to sell?

9mm Luger by far. .40 S&W has cooled significantly since 2018 and now sells at a discount. 10mm has gained traction with hunters. .45 GAP is hard to move.