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GLOCK Gen4

GLOCK Gen4 Safe Action® pistols

This generation provides three new features:

- Modular backstrap and beavertail system
- Enlarged reversible magazine catch
- Gen4 RTF Rough textured frame surface



GLOCK customizable frame size

Customizable frame size

Every GLOCK Gen4 comes with backstraps in two sizes each one with or without beaver tail. The multiple backstrap frame allows the users to change the circumference of the grip to fit their individual hand size.

GLOCK reversible magazine catch

Reversible magazine catch 

The magazine catch of the Gen4 frame is reversible and enlarged towards the rear of the pistol. The reversible magazine catch is more user friendly to the shooter's reach and allows them to switch the catch to the left or right side of the pistol.

GLOCK Gen4 RTF

Gen4 RTF - Rough textured frame

The Gen4 has a new rough textured frame (Gen4 RTF) surface designed to enhance grip traction, without being too aggressive. It is present on the frame as well as on the interchangeable backstraps.

GLOCK 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.

GLOCK 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 polymer frame

Polymer frame

The durable and lightweight polymer frame absorbs recoil due to the dampening characteristics of the polymer.

GLOCK magazine capacity

Magazine capacity

Depending on caliber and size of the pistol model high capacity magazines are available.

GLOCK mounting rail

Mounting rail

Mounting rails in front of the trigger guard of all competition, standard and compact frames as well as on G29 and G30 allow mounting accessories such as tactical lights and lasers.

GLOCK polygonal barrel profile

Polygonal barrel profile

The polygonal barrel is easy to clean and its better bullet-to-barrel fit increases the velocity of the projectile.

 

Learn more about customizing the frame of the GLOCK Gen4 models:

 

GLOCK Gen4 frame sizes

Customize your frame size

Every GLOCK Gen4 pistol model allows the user to change the circumference of the grip to fit the individual hand size and comes with two sizes of backstraps in two different shapes. The backstraps are easily changed and secured to the frame with a single pin offering the following options: a short frame (SF) version, a medium (M) and a large (L) version.
The medium and the large version can be chosen with or without beaver tail, the beaver tail backstraps keeping large hands clear of the slide.
The short frame (SF) version without any backstrap mounted still remains a complete fully functional frame. Its dimensions are smaller than previous generations. 

GLOCK ergonomic design

Ergonomic design

The grip angle of the GLOCK Safe Action® pistol remains unchanged even when modifying the backstraps.

 

How to install the backstrap of a GLOCK Gen4 pistol:

 

GLOCK backstrap change - step 1

Step 1

Remove the trigger housing pin.

GLOCK backstrap change - step 2

Step 2

Remove the GLOCK backstrap, if it is mounted.

GLOCK backstrap change - step 3

Step 3

Hook the backstrap to the lower backside of the frame, then push its top towards the frame.

GLOCK backstrap change - step 4

Step 4

Install the corresponding trigger housing pin.