Advantage Arms .22 LR Conversion Kit for Glock 20/21

The Advantage Arms .22 LR Conversion Kit for Glock 20/21 (Advantage Arms part no. AACLE20-21) drops onto a compatible Glock 20/21 frame and turns it into a dedicated .22 LR range gun in seconds, no gunsmithing required. Advantage Arms builds this kit as its most accurate Glock conversion platform, giving shooters an affordable way to rack up trigger time and dial in fundamentals without burning through centerfire ammunition. Fits Gen 1-3 frames; not compatible with Gen 4 Glocks. It ships with a padded carrying case, making it just as useful for new shooters building fundamentals as for experienced owners who want low-recoil trigger time on a familiar frame.

Key Specifications

• Converts a centerfire Glock to .22 LR for low-cost, low-recoil range time on the same frame.
• Built to fit Glock 20/21 frames, dropping on in place of the factory centerfire slide.
• Fits Gen 1-3 frames; not compatible with Gen 4 Glocks.
• Ships with a 10-round .22 LR magazine.
• Uses a 4.6" .22 LR barrel sized to the host slide.
• Includes a padded carrying case for the slide and magazine.
• Marketed by Advantage Arms as its most accurate Glock conversion kit.

Frequently Asked Questions

What Glock models does this fit? It’s built specifically for Glock 20/21 frames, fitting Gen 1-3; it is not compatible with Gen 4 Glocks.

What caliber does it convert to? It converts the host Glock to .22 LR for inexpensive, low-recoil practice ammunition.

Does it come with a case? Yes, it ships with a padded carrying case for the slide and magazine.

Buy the Advantage Arms .22 LR Conversion Kit for Glock 20/21

Order it from our Lubbock, Texas gun shop for fast, insured shipping right to your door. Shop the full Advantage Arms conversion kit lineup or browse our complete Glock barrels selection.