Glock 31

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Glock 31^[1]
Type	Semi-automatic pistol
Place of origin	Austria
Production history
Designer	Gaston Glock
Manufacturer	Glock
Variants	31C
Specifications
Weight	660 g / 23.28 oz
Length	186 mm / 7.32 in
Barrel length	114 mm / 4.49 in
Width	30 mm / 1.18 in
Height	138 mm / 5.43 in

Caliber	.357 SIG
Action	Safe action
Feed system	15 / 17 round magazine
Sights	Fixed front and rear

The Glock 31 is a pistol manufactured by Glock. It is a Glock 22 modified to fire the .357 SIG ammunition. It uses a modified slide, frame, .357 SIG barrel and magazine but is otherwise near identical in looks to the Glock 22. It has a 15-round magazine capacity. (A Glock 31 can be converted to .40 S&W with no further modification than a new barrel.)

The Glock 31 has become a popular law enforcement, sports and hunting pistol, but is less pleasant to shoot than the Glock 17 because of its sharp recoil.

The difference between the Glock 31 and the Glock 31C is that the barrel and slide are ported on the C model to reduce muzzle climb while shooting the pistol.