Description
The GLOCK 31 Gen4, in 357 SIG, is the optimal solution for those seeking high muzzle velocity and superior precision in a reliable, yet lightweight, pistol with large magazine capacity. The Modular back strap system makes it possible to instantly customize its grip to accommodate any hand size. The reversible magazine catch makes it ideal for left and right-handed shooters.
Glock 31 Gen 4
The GLOCK 31 Gen4, in 357 SIG, is the optimal solution for those seeking high muzzle velocity and superior precision in a reliable, yet lightweight, pistol with large magazine capacity.
Like all Gen 4 versions the G 30 comes with two additional back straps, medium and large. With no additional back straps fitted, the grip size is small. A rough textured finish on the frame gives you that added traction and the dual recoil spring spring assembly definitely smooths out that recoil.
Glock 31 Gen 4
Glock 31 Gen 4 Rough Textured Frame Surface
This more aggressive, non-slip surface provides a more secure grip and better traction. For quite a while, some Glock owners had been getting custom texturing on their pistols to get what is now standard on Gen4 models
Glock 31 Gen 4 Replaceable Backstraps
The Gen4 has two insert options, medium and large or you can leave the pistol as is, in small or what Glock refer to as  short frame configuration.
Glock 31 Gen 4 Magazine Release Catch
The enlarged mag release catch is now easily reversible to either the left or right side.
Glock 31 Gen 4 Magazine
The Gen4 Magazine now features a pair of notches that will allow positive operation with all types of existing mag catches.
Glock 31 Gen 4 Recoil Spring
The Glock G31 Gen 4 has a dual recoil-spring system that features a progressive spring rate reducing felt perceived recoil.
Calibre – 357 SIG
Mag Capacity -15. optional 16
Weight Unloaded -740g
Barrel length – 114
Size (LxWxH) – 202x32x139
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