Glock is known around the world as one of the best firearms manufacturers in operation. Glock firearms are among the best in safety, reliability and accuracy and just like the firearms, their magazines are also made with the same quality and precision in mind. The Glock 19 Generation-5 9mm magazine is made from a high impact polymer, holds 15 rounds of 9x19 Parabellum (Luger) and also is compatible with the Glock 26. For the most reliable firearms and parts, there is only one choice…Glock.