This is a factory Glock 17 Gen 4 10-round magazine, chambered in 9mm. It fits Gen 3-5 G17, G34, and G45 pistols.

Blocked at a 10-round capacity, this Glock 17 magazine is compliant with all State laws regarding magazine capacity (i.e., California, New York, etc.).

This factory replacement magazine lives up to the build quality of Glock manufacturing, featuring a polymer construction with steel reinforcements. In other words, its tough as nails.

In addition, it also comes with rear-facing round indicators.

Pick up a few extra Glock 17 10-round magazines today!