Advantage Arms builds this durable polymer magazine (part no. AACLE2021) for its .22 LR conversion kit on Glock 20 and 21 pistols, holding 10 rounds with a last-round hold-open feature. It requires the separately sold Advantage Arms Glock 20/21 Conversion Slide Kit.

Key Specifications

• Chambered in .22 LR.
• Holds 10 rounds.
• Constructed of durable polymer.
• Features a last-round hold-open.
• Built for the Advantage Arms Glock 20/21 conversion kit.
• Requires an Advantage Arms Conversion Slide Kit (sold separately, not included).
• Manufactured by Advantage Arms.

Frequently Asked Questions

Does this fit the Glock 19? No, this magazine is built for the Glock 20/21 conversion kit specifically; Advantage Arms sells a separate kit and magazine for the 19/23.

Do I need anything else to use this magazine? Yes, it requires an Advantage Arms Glock 20/21 Conversion Slide Kit, sold separately.

Buy the Advantage Arms Glock 20/21 Conversion Magazine

Order it from our Lubbock, Texas gun shop for fast shipping direct to your door. Browse our full handgun magazines selection.