The Pearce Grip PG39-SUB is a magazine extension built for Glock 26, 27/33, and 39, replacing the factory floor plate to add three rounds to the Glock 26, two rounds to the Glock 27/33, and one round to the Glock 39 plus a steadier gripping surface.

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Key Specifications

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• Built by Pearce Grips to fit Glock 26, 27/33, and 39 magazines.

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• Adds three rounds to the Glock 26, two rounds to the Glock 27/33, and one round to the Glock 39.

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• Replaces the factory magazine floor plate and internal locking plate for a clean, drop-in install.

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• It also adds about 1-inch of additional length for better control.

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• Molded from durable black polymer built for daily carry and range use.

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• Incorporates the factory texture pattern for a seamless, factory-look fit.

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• Chambered for 9mm magazines.

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• Part of Pearce Grips’ line of drop-in magazine capacity upgrades.

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• Measures approximately 2.7 inches in overall length once installed.

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• Ships at a shipping weight of about 0.05 lb.

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Frequently Asked Questions

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How many rounds does this extension add? It adds three rounds to the Glock 26, two rounds to the Glock 27/33, and one round to the Glock 39 depending on the host pistol, replacing the factory floor plate and internal locking plate in the process.

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Does it work on every Glock/host variant? No — fitment is limited to Glock 26, 27/33, and 39; check the compatibility notes above before ordering, since some frame sizes and calibers are excluded.

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Buy the Pearce Grip Magazine Extension for Glock 26

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Ships fast from a Lubbock, TX gun shop on the Pearce Grip Magazine Extension for Glock 26 from Pearce Grips, part of our Glock Parts selection. Pick one up to add capacity and a steadier grip in one drop-in part.