SHIELD ARMS CZ P10C/P07 +5/4 Magazine Extension ODA - High Capacity Mag Upgrade

The Shield Arms CZ P10C/P07 magazine extension gives your carry or range pistol a meaningful capacity bump without changing your holster or grip profile. This billet aluminum extension adds 5 rounds to 9mm magazines and 4 rounds to .40 S&W magazines, letting you carry more ammunition in the same footprint. It's purpose-built for CZ shooters who want the balance of higher capacity with quick magazine changes.

The design centers on practical usability. The machined billet 6061 aluminum body is Type 2 anodized for durability, and the unique easy-access floor plate lets you service the spring and follower without removing the extension itself—handy for cleaning or maintenance in the field. Index cuts on the extension body improve grip when drawing the magazine from your pouch, reducing fumbling under pressure. It ships with a +10% power spring to handle the added weight and round count reliably.

Compatibility matters: this extension works with CZ P10C and P07 magazines that have an orange follower only, and fits most aftermarket flared mag wells for added versatility. Made in the USA and designed to work with standard CZ OEM magazines, it's a straightforward way to increase capacity without replacing your entire magazine setup. Whether you're running drills at the range or building out a carry setup, this extension gives you more ammunition without the extra bulk.

Key Features

• Adds 5 rounds to CZ P10C/P07 9mm magazines; 4 rounds to .40 S&W magazines
• Easy-access floor plate design for quick spring and follower service without removing the extension
• Index cuts for improved grip when drawing from magazine pouches
• Machined from billet 6061 aluminum with Type 2 anodize finish
• Includes +10% power spring for reliable feeding at full capacity
• Compatible with most aftermarket flared mag wells
• Made in the USA

Specifications

Frequently Asked Questions

Will this extension fit my CZ P10C or P07 magazines?

The extension is designed for CZ P10C and P07 magazines with an orange follower. It will not work with older magazines or those with different follower designs. Verify your magazine has an orange follower before purchasing.

Do I need to use a special spring with this extension?

No. The extension ships with a +10% power spring designed to handle the added capacity. Use the included spring for reliable feeding and follower return.

How many rounds does this add to my magazine?

The extension adds 5 rounds to 9mm magazines and 4 rounds to .40 S&W magazines for both CZ P10C and P07 platforms.

Can I clean the magazine with the extension still attached?

Yes. The unique easy-access floor plate design allows you to service the spring and follower without removing the extension from the magazine body, making field cleaning and maintenance easier.