This is a factory Taurus® PT-22 POLY 8-round magazine.
Taurus’ PT22 POLY pistol is a fun and budget-friendly plinker with an iconic pop-up barrel and excellent factory magazines. Crafted from lightweight polymer with a low-profile reloading button and polymer baseplate, these black 8-round factory magazines are engineered to the same standards as your original equipment mags—ensuring proper fit and function for maximum rimfire reliability.