Proudly Made in the USA
This is a factory Glock Brand 10 round magazine for G19 pistols. This is a Gen 4 magazine which means it will work in firearms that are capable of accepting Gen 1-4 Glock 19 magazines.
This will work in guns capable of accepting double stack 9mm magazines that are G19 size or smaller. IE will work in the G26 but will stick out the bottom of the gun.