Glock G31 Gen4 .357 SIG Full-Size Pistol, 4.49" Barrel, 15+1, Black
This Glock 31 Gen4 is a full-size .357 SIG pistol with a 4.49" barrel and a 15+1 capacity. It features the Gen4 Rough Textured Frame with finger grooves, the Modular Back Strap (MBS) interface, and Glock's Safe Action system. The pistol is in excellent overall condition and includes three factory magazines, the factory case, and a Glock magazine loader.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Well-defined polygonal rifling.
Specific Condition Notes: There are minor, superficial scratches and blemishes from light handling.
What’s Included
- Glock factory hard case labeled for G31 Gen4
- 3 Glock factory 15-round .357 SIG magazines with '.357' marking and Glock AUSTRIA baseplates
- Glock factory polymer magazine loader
The Glock 31 Gen4 combines a full-size frame with the .357 SIG cartridge, delivering a 4.49" steel barrel and a 15+1 capacity. The slide is marked "G31 Gen4 AUSTRIA 357" and finished in matte black, with rear serrations for positive manipulation.
The Gen4 frame provides the Rough Textured Frame with finger grooves and the Modular Back Strap (MBS) interface. The black polymer frame integrates a Glock accessory rail on the dustcover for attaching compatible accessories as needed.
This pistol uses Glock’s striker-fired, short-recoil, locked-breech action with the Safe Action system and a trigger safety. Fixed polymer sights come standard, with a white dot front and white outline rear.
Origin and markings include Austria as the country of manufacture, a frame molded "MADE IN AUSTRIA GLOCK, INC., SMYRNA, GA" marking, and a chamber marked "AT" with the Glock logo. The package includes three factory .357 SIG magazines, the factory hard case, and a Glock magazine loader.