Fit and finish wise, they really arent as good as a new Glock factory mag. They have rougher texture to them over-all and have (this is a technical term) hangy little bits of plastic on them here and there.

Subsequently, question is, are all Glock magazines compatible? Theohazard Member. All Glock magazines are compatible with the following exceptions: Glock Gen 4s and 5s with the magazine release switched to left-handed use wont work with Gen 3 and previous mags. But if you havent switched your Glock to a left-handed mag release this isnt an issue.

In this way, does Glock make extended magazines?

Glock offers factory extended magazines for their 40 SandW and 9mm magazines. Glock OEM magazines also offer the most customization overall.

Will Glock 17 mags work in Glock 19?

The 17 mags should work in the 19, 26, and 34 with no problems (or any . 40 SandW/. 357 Sig Glocks with a 9mm conversion barrel).