Notice

New Media API EndpointPull newly uploaded firearm images and rendersAll Media API Endpoint

Glock 18

Glock 18
Category
Pistol
Barrel
114 mm
Weight, empty
625 g
Introduced
1986

About

What it is, and why it matters

Copy a link to this section

The Glock 18 is a select-fire machine pistol variant of the Glock 17, capable of both semi-automatic and full-automatic fire at approximately 1,200 rounds per minute. Developed in 1986 at the request of the Austrian counter-terrorism unit EKO Cobra, the G18 was Gaston Glock's second pistol design. Externally nearly identical to the G17, the G18 features a fire selector switch on the left rear of the slide - up for semi-automatic, down for full-automatic. Despite the visual similarity, the G18 slide and G17 frame are not interchangeable due to internal modifications required for the select-fire mechanism. The G18 accepts standard Glock 17 magazines but is commonly paired with extended 19, 24, or 33-round magazines to better accommodate its high rate of fire. An improved compensated variant, the G18C, was introduced in 1996 with four barrel ports and corresponding slide cuts to reduce muzzle climb during automatic fire. Sales are restricted exclusively to military and law enforcement agencies worldwide; no transferable examples exist on the civilian market.

The Glock 18 gained legendary status largely through pop culture despite being one of the rarest production handguns in the world. Featured prominently in films including The Matrix Reloaded, Terminator 3, and Skyfall, as well as in the Counter-Strike franchise where the 'Glock-18' is the default Terrorist-side pistol, the G18 is arguably more famous in fiction than in any real-world conflict. The irony is that most people who recognize the name will never see one in person - there are zero transferable examples on the U.S. civilian market, and Glock's official policy states they will never sell them commercially.

Gaston Glock originally developed the G18 partly as a durability testing platform - the extreme stress of full-automatic fire allowed rapid assessment of component wear, heat resistance, and service life that semi-automatic firing could never replicate. The fire selector is a simple sliding switch on the left rear of the slide, positioned where it can be operated by the shooter's thumb. At 1,200 RPM, a standard 17-round magazine empties in under one second, making extended magazines essentially mandatory for practical use. The G18C compensated variant (1996) features progressively larger keyhole-shaped ports machined into the barrel and matching slide cuts, directing propellant gases upward to counteract muzzle rise. Despite its fame in movies and video games, the G18 is exceptionally rare in real-world use, with most operators preferring submachine guns for automatic fire roles.

Specification

Everything measured

Copy a link to this section

IdentityWhat it is, who built it and when.

Manufacturer
Glock Ges.m.b.H.
Category
Pistol
Country
Austria
Status
In production
Produced
1986
Variant of
Select fire

DimensionsAs issued, without a magazine or an optic.

Barrel
114 mm
Overall length
204 mm
Height
155 mm
Width
34 mm
Sight radius
165 mm
Weight, empty
625 g
Weight, loaded
940 g

ActionHow it cycles, what trips it, and what feeds it.

Action
Short recoil
Firing mechanism
Striker fired
Trigger
Safe action
Trigger pull
25.0 N
Capacity
19
Magazine
Detachable box

MaterialsEach swatch is the material itself, not a colour chosen to stand for it.

Frame
Polymer
Slide
Steel
Barrel
Steel
Finish
Tenifer

BallisticsFrom the service cartridge, not a handload.

Muzzle velocity
375 m/s
Muzzle energy
524 J
Effective range
50 m
Maximum range
1800 m
Rate of fire
1200 rpm

Trajectory

What the round does downrange

Solved from the muzzle figures and the bullet. The dashed rule is the effective range on the record, and the crosses are the steps the solver returned.

Copy a link to this section

0 m359 m/s

0100200300400185 m0501002003004005006008001000

Features

What it has

What the record lists as fitted, drawn from the catalogue.

Copy a link to this section
  • Polymer frame
  • Safe action trigger
  • Hexagonal rifling
  • Accessory rail
  • Fire selector switch
  • Select fire

Standing

How it compares

Copy a link to this section

Each figure against the firearms of the same type and cartridge that record it, or of the same type where that cartridge has too few. Positions are read to the nearest tenth.

MeasurementThis firearmMedianPosition
Empty weightAmong 560 9x19mm Parabellum pistols625 g765 gLighter than about 80%
Overall lengthAmong 559 9x19mm Parabellum pistols204 mm191 mmLonger than about 70%
Barrel lengthAmong 569 9x19mm Parabellum pistols114 mm105 mmLonger than about 70%
Magazine capacityAmong 571 9x19mm Parabellum pistols1915Holds more rounds than about 90%

Answers

Questions about the Glock 18

Copy a link to this section
How much does the Glock 18 weigh?

The Glock 18 weighs 625 g (1.38 lb) empty and 940 g (2.07 lb) loaded.

What caliber is the Glock 18?

The Glock 18 is chambered in 9x19mm Parabellum.

How many rounds does the Glock 18 hold?

The Glock 18 holds 19 rounds, fed from a detachable box magazine.

How long is the Glock 18?

The Glock 18 is 204 mm (8.03 in) long overall, with a 114 mm (4.49 in) barrel.

Who makes the Glock 18?

The Glock 18 is made by Glock Ges.m.b.H. (Austria). It was designed by Gaston Glock.

When was the Glock 18 introduced?

The Glock 18 was introduced in 1986.

How does the Glock 18 operate?

The Glock 18 uses a short recoil action, and its firing mechanism is striker fired.

Compatibility

Which parts fit this firearm

Copy a link to this section

Studio

Every part that mounts on this, resolved

Not a list the maker typed out: the answer comes from the mounts this firearm exposes and the interface each part needs, so it stays right when either one changes.

  • Every part that mounts on any firearm in the catalogue
  • Interface standards, platforms and fit overrides
  • The same answers through the API and the MCP server

Requires a signed-in GunSpec account on the Studio plan. The answer is computed per part, so it is not part of the public record.

Provenance

What the record holds

Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.

Copy a link to this section

In service

EKO Cobra
1986
Austrian Armed Forces
1986
South Korean Special Forces
South Korea
Indonesian Special Forces (Kopassus)
Indonesia
Georgian Special Forces
Georgia
Malaysian Special Operations Force
Malaysia

Provenance

Stockists

Where to buy

Offers link straight to the shop. GunSpec never takes the order.

Copy a link to this section

No shop has listed this firearm yet

Stock and prices come from the shops themselves. If you sell this firearm, you can list it and it appears here.

List a firearm

MCP

Ask an assistant about it

The same record, reached the way a person asks for it rather than the way a program does.

Copy a link to this section

Ask GunSpec

Works with

Claude CodeClaude DesktopCursorVS CodeGitHub CopilotWindsurf

Point an MCP client at GunSpec and it answers from the catalogue rather than from memory. A free key covers the read tools.

API

The call that returns this record

The same fields, in the same units, from the same endpoint the page reads.

Copy a link to this section
curl --request GET \  --url 'https://api.gunspec.io/v1/firearms/glock-g18' \  --header 'X-API-Key: your_key'
Response
{  "id": "glock-g18",  "name": "Glock 18",  "manufacturer": {    "id": "glock",    "name": "Glock Ges.m.b.H.",    "countryCode": "AT",    "foundedYear": 1963,    "website": "https://www.glock.com",    "logoUrl": null,    "description": null,    "status": null,    "defunctYear": null,    "stateOwned": null,    "makesFirearms": null,    "parentId": null,    "predecessorId": null,    "createdAt": "2026-02-11 23:44:38",    "updatedAt": "2026-02-18 03:43:49",    "version": "3082b5f3edc3e54ca4f0993c68dba8c456b4f86e8759e3310ef604da566477d6"  },  "category": {    "id": "pistol",    "name": "Pistol",    "description": "Handguns designed to be fired with one or two hands"  },  "country_of_origin": "AT",  "year_introduced": 1986,  "barrel_length_mm": 114,  "weight_empty_g": 625,  "action_type": "short_recoil"}