Shield CZ P10F/P09 +5/4 MAG Ext BLK

The Shield Arms CZ P10F/P09 Magazine Extension adds 5 rounds of 9mm and 4 rounds of 40 S&W to your CZ P10F or P09 pistol. Their unique, easy access floor plate design allows you to easily access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty, and the Shield Arms Spring for Life guarantee.