This 15 round magazine is a factory original from CZ for the CZ ZKM 452, 453, 455, 457, 512 and 513 rifles.
Made from a tough ballistic nylon polymer with stainless follower it features a U shape notch in front of the bullet to eliminate shaving and is easily stripped for cleaning.
Developed for .22 competition use the magazine has been developed from the popular 25 round magazine.
CZ polymer magazines usually fit earlier BRNO branded rifles and their Norinco and Puma branded clones.