Glock 18

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Glock 18 Gun Stats

Glock 18

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As a true fully automatic pistol the G18 is one of the most specialized GLOCK pistols. With an external fire selector at the rear of the slide you can switch from semi-automatic to full-automatic firing mode. It comes with an extended 19 round magazine and can provide greater firepower with the optional 33-round magazine. The rate of fire in full-automatic-mode is approximately 20 rounds per second. Released in 1987 the pistol has the same characteristics like other previous models and the frame size of the service pistol classic G17.

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Glock 18 Specs

1 Brand

2 Category

Technical Data

Barrel Length

4.49 Inches




1.3 Inches




32 rd


24.87 oz

Glock 18 Features

The Glock 18 is quite simply a fully-automatic Glock 17.  Though it can be fired in semi-automatic, the Glock 18 is most commonly fired with its fun-switch set to “giggle mode”.  It has a 4.49 inch barrel topped with windage-adjustable sights.  This gun is only available as a post-1986 dealer sample.

Glock 18 Ballistics

Glock 18 Capacity

The Glock 18 is chambered in 9x19mm Luger and is fed by any 9mm Glock magazine that properly fits in a Glock 17 frame.  Yes, the 10 round limited magazines will fit, but if you have a full-auto Glock, you don’t live somewhere that limits magazine capacity.  Flush-fit magazines offer a 17 round capacity while extended 32 round magazines are considered “standard” for the Glock 18.

Glock 18 Ergonomics

The Glock 18 is most commonly seen in the wild in Glock’s Gen3 setup, however its post-86 NFA status allows it to be built on Gen4 and Gen5 frames.  Its grip offers a single point of contact that doesn’t offer much control to wrestle its

How much is a Glock 18 worth?

In 2024 a new or used Glock 18 value varies depending on supply and demand. In the last 12 months there is great demand for a Glock 18 and most handguns. The Price for a Glock 18 has increased in cost by $0.00 in 2024 compared to 2023.

Estimated New and Used Values for a Glock 18 Values are based on a basic model with no options or colors.

Condition Trade-In Private Party Dealer
New In box $224.44 $293.50 $345.29
Excellent $207.17 $276.23 $310.76
Very Good $189.91 $276.23 $310.76
Good $172.65 $258.97 $293.50
Fair $120.85 $224.44 $276.23
Poor $86.32 $172.65 N/A

Gun Value Conditions explained:

New in box - 100% condition in unopened box. Excellent - 95%+ condition with or without box.

Very Good - 90% - 95% condition (all parts/finish should be original).

Good - 80-90% condition (all parts/finish should be original).

Fair - 30% - 80% condition, parts, and finish may or may not be original. Must function properly and shoot.

Poor - under 30% condition. Firearm has severe wear and tear, does not function, or is damaged.

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