GLOCK 31 Gen4
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.
Technical data
| Caliber | .357 |
| System | Safe Action® |
| Mag. Capacity | Standard: 15 Optional: 16 |
| Barrel Length | 114 mm | 4.49 inch |
| Weight without magazine | 660 g | 23.28 oz |
| Weight with empty magazine | 740 g | 26.10 oz |
| Weight with loaded magazine | 940 g | 33.16 oz |
| Trigger Pull | 28 N |