Enhance your CZ 452/455/457 magazine with our Canadian-made +3 extended magazine base, designed to add 3 additional rounds to your .22LR magazine capacity. Also included with each base is a filler block to limit to 2 rounds for nrl22 12 round limit. This extension allows for increased ammunition without compromising magazine integrity or handling.

Crafted from durable ASA polymer, this base provides exceptional strength and resilience, ensuring reliable performance and longevity. The extension includes a diamond texture for enhanced grip.

Upgrade your shooting experience with this high-quality +2/3 extension, designed to offer both increased capacity and enhanced magazine functionality.

Compatible with CZ polymer 10 round factory magazines