This is a factory Glock 44 10-round magazine, chambered in .22LR.

The G44 load-assist 10-round magazine features an ergonomic design and easy loading capability. No more struggling and hurting thumbs trying to load those last few rounds. Utilizing the tabs on each side of the magazine, pull down slightly, and drop the round in.

Here is some more information about the new Glock G44 and Glock 44 magazine.

Once you start with perfection – you stay with perfection. The G44 is the ideal pistol to start or enhance your shooting experience.  The innovative design of the hybrid steel-polymer slide chambered in our first .22 caliber round provides a lightweight and low recoil functionality for optimal control.

The G44 was thoroughly tested with a wide variety of ammunition to ensure maximum performance and redefine what small can do.

The G44 is a compact size pistol with the ability to adapt to nearly every hand size by using the different backstraps supplied with the pistol. The G44 comes standard with the GLOCK Marksman Barrel (GMB) for increased accuracy and precision.

The right equipment is essential. The G44 comes with adjustable rear sights and two load-assist magazines. Everything that a well prepared shooter needs