Glock 18
- Category
- Pistol
- Barrel
- 114 mm
- Weight, empty
- 625 g
- Introduced
- 1986
About
What it is, and why it matters
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
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.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
Polymer frame
Safe action trigger
Hexagonal rifling
Accessory rail- Fire selector switch
Select fire
Standing
How it compares
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.
| Measurement | This firearm | Median | Position |
|---|---|---|---|
| Empty weightAmong 560 9x19mm Parabellum pistols | 625 g | 765 g | Lighter than about 80% |
| Overall lengthAmong 559 9x19mm Parabellum pistols | 204 mm | 191 mm | Longer than about 70% |
| Barrel lengthAmong 569 9x19mm Parabellum pistols | 114 mm | 105 mm | Longer than about 70% |
| Magazine capacityAmong 571 9x19mm Parabellum pistols | 19 | 15 | Holds more rounds than about 90% |
Answers
Questions about the Glock 18
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
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.
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.
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 firearmMCP
Ask an assistant about it
The same record, reached the way a person asks for it rather than the way a program does.
Ask GunSpec
Works with
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.
curl --request GET \ --url 'https://api.gunspec.io/v1/firearms/glock-g18' \ --header 'X-API-Key: your_key'{ "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"}