This Warne magazine extension (mfr. part no. 3113) fits Glock 17/22 magazines, adding 5 rounds of 9mm Luger or 4 rounds of .40 S&W depending on the host magazine’s caliber, finished in flat dark earth (FDE).

Key Specifications

• Adds 5 rounds of 9mm Luger or 4 rounds of .40 S&W, depending on the host magazine.
• Fits Glock 17/22 magazines.
• Finished in flat dark earth (FDE).
• Includes finger grooves for easier magazine stripping.
• Ergonomic shape aids reliable insertion.
• Ships as a bolt-on extension, not a standalone magazine.
• Manufactured by Warne.
• Weighs approximately 0.13 lb.
• Retail packaging measures approximately 3.0 x 1.5 inches.

Frequently Asked Questions

How many rounds does this extension add?

5 rounds if installed on a 9mm Glock 17/22 magazine, or 4 rounds if installed on a .40 S&W magazine.

Does this fit a Glock 19?

It’s built for the Glock 17/22 magazine body; check Warne’s fitment notes before using it on a Glock 19 magazine.

Buy the Warne Glock 17/22 +5/+4 Extension

Shop the Warne lineup or browse our full Small Glock Parts selection to find the right fit for your firearm.