Glock 9mm 33 Round Magazine pt100 Especially relevant is that the

Especially relevant is that the Glock 22 round magazine 40 S&W will withstand visible damage or deformation after being dropped on solid floors from considerable height

Coating: Anti-Friction

The magazine tube emphasizes durability and function

while an over-travel stop on the spine helps ensure the magazine will not over-insert on compatible weapons

Follower: High-impact polymer

Glock 9mm 33 Round Magazine pt100 Especially relevant is that theThe Glock 33 round magazine is a composite steel and polymer fabrication. Sometimes referred to as a Glock Happy Stick. The extended capacity magazine is only available in 9mm. The mag encases a toughened and hardened steel insert in layer of Polymer 2. Glock polymer 2 was invented by Glock. This is a high strength nylon based polymer. As a result, this polymer makes the Glock Magazine incredibly durable. Glock Extended Capacity Magazine Extended