Factory Glock 31 Magazine 10RD OEM .357SIG Black Polymer Mag

Designed for use in the Glock 31 pistols but will also function in the Glock 32 and Glock 33 handguns, there will just be a gap between the end of the frame and the end of the magazine.  An X Grip can cover that gap up and give you more surface to grip from.  The crack proof polymer construction, full-length steel inserts, numbered witness holes and tough steel springs make the Factory Glock Magazines the best choice when reliability and consistency count.  Trusted by military and law enforcement alike.

Glock magazines are known for having very stiff springs when new and may be extremely difficult to load to full capacity.  We recommend using a magazine speed loader to assist the first couple of times.  Once broken in a little bit the magazine should accept the full capacity of rounds with more ease.