Subcompact | 380 Auto


For those discerning shooters who desired the smallest GLOCK possible, the company responded with the now popular G42 in 380 AUTO with ultra-compact dimensions and easy-to-shoot characteristics. The G42 packs all the features GLOCK customers have come to appreciate - from the GLOCK Safe Action® System with its multiple integrated safety features to the brand’s proven reliability and durability.

SLIMLINE DESIGN - developed for concealed carry

GLOCK G42 - safe action system

Safe Action® System

Three safeties disengage sequentially as the trigger is pulled and automatically reengage when the trigger is released.
Same trigger pull for each shot – short trigger reset.

Learn more about the Safe Action® System
GLOCK G42 - surface refinement

Surface refinement

The surface of the GLOCK slide and barrel is black and non reflective. All GLOCK metal parts are subject to a surface treatment making them corrosion and salt water resistant.
GLOCK G42 - polymer frame

Polymer frame

The durable and lightweight polymer frame absorbs recoil due to the dampening characteristics of the polymer. 
GLOCK G42 - slimline RTF

Special grip texture

The slimline RTF was designed to enhance grip traction, without being too aggressive.
GLOCK G42 - reversible magazine catch

Reversible magazine catch

The magazine catch of the slimline frame is reversible and enlarged towards the rear of the pistol. For left and right handed users.
GLOCK G42 - magazine with extension

Magazine with extension

A magazine with extensions is available for securing the grip and better ergonomics.
GLOCK G42 - barrel profile

Barrel profile

The polygonal barrel is easy to clean and its better bullet to barrel fit increases the velocity of the projectile.
GLOCK G42 - loaded chamber indicator

Loaded chamber indicator

A visible and palpable indicator is located on the extractor.
GLOCK G42 - slide stop lever

Slide stop lever

A fully functional slide stop lever stops the slide in the rearward position after having fired the last round in the magazine. 
GLOCK G42 - trigger distance

Trigger distance

The trigger distance of the slimline pistols is reduced compared to other GLOCK models. The grip angle is equivalent to the larger pistols in the GLOCK lineup.  
GLOCK G42 - polymer sights

Standard GLOCK sights

The dimensions of the standard GLOCK rear sights were reduced to fit the slim slide. 
GLOCK G42 - single stack magazine

Single stack magazine

The magazine of the GLOCK slimline pistols has a single stack design to reduce its dimensions to a minimum. The metal insert is covered by a polymer coating. 

380 Auto


Safe Action®

Mag. Capacity

Standard: 6

Barrel Length

82,5 mm | 3.25 inch


without magazine

345 g | 12.17 oz


with empty magazine

390 g | 13.76 oz


with loaded magazine**

450 g | 15.87 oz

Trigger Pull***

24 N

1 LENGTH (OVERALL)* 151 mm | 5.94 inch
2 SLIDE LENGTH 146 mm | 5.75 inch
3 WIDTH (OVERALL) 25 mm | 0.98 inch
4 SLIDE WIDTH 21 mm | 0.83 inch
5 HEIGHT INCL. MAG. 105 mm | 4.13 inch
6 Sight Radius POLYMER 125 mm | 4.92 inch
Sight Radius STEEL 124 mm | 4.88 inch
Sight Radius GNS 123 mm | 4.84 inch
7 TRIGGER DISTANCE* 61 mm | 2.40 inch

* FOR GEN4/GEN5 MODELS and G44: Check out the Gen5, Gen4 and G44 technology pages for medium/large beavertail backstraps (G19X and G45 see below).
Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.
Dimensions of GLOCK pistol G42
G17 Gen5 MOS Accessories