Glock 31 Gen4 **NEW IN BOX** The GLOCK 31 Gen4, in .357, introduces revolutionary design changes to the pistol that's been the optimum solution for those seeking high muzzle velocity and superior precision in a reliable, yet lightweight, pistol with large magazine capacity. The Modular Back Strap design lets you instantly customize its grip to adapt to an individual shooter's hand size. The surface of the frame employs the new scientifically designed, real-world-tested, Gen4 rough textured technology. Internally, the new GLOCK dual recoil spring assembly substantially increases the life of the system. A reversible enlarged magazine catch, changeable in seconds, accommodates left or right-handed operators. The G31 Gen4 .357 retains the GLOCK accessory rail for your attachments. Details GLOCK 31 Gen4 .357SIG FS 15-SHOT BLACK Additional Information Manufacturer Glock 6000 Highlands Parkway Smyrna, GA 30082 REDACTED www.glock.com Manufacturer Part Number PG3150203 Item Number GPG3150203 UPC REDACTED37 AMBIDEXTROUS SAFETY N BARREL LENGTH IN INCHES 4.4900 CALIBER .357 SIGARMS DRILLED AND TAPPED N FINISH BLACK FRAME MATERIAL POLYMER GRIP MATERIAL POLYMER MAGAZINE CAPACITY 15.0000 NUMBER OF MAGAZINES INCLUDED 2.0000 TYPE ACTION FUNCTION SEMI-AUTO TYPE OF SIGHTS FIXED WEIGHT IN OUNCES 23.2800 NO SALE TO CALIFORNIA NO SALE TO CALIFORNIA NO SALE TO MASSACHUSETTS NO SALE TO MA