Advantage Arms .22 LR Conversion Magazine for Glock G20/G21 – 10rd

Advantage Arms offers a dedicated .22 Long Rifle conversion magazine designed for Glock G20 and G21 platforms. This polymer 10-round magazine is intended for use with an Advantage Arms rimfire conversion kit to provide an economical training option. It includes a last-round hold open and is finished in black to match service-style frames. The magazine requires the corresponding Advantage Arms Conversion Slide Kit (not included) to function as intended.

Key Specifications

• The magazine capacity is 10 rounds.
• The cartridge is .22 LR (long rifle rimfire).
• The construction material is polymer for lightweight durability.
• The finish is black.
• Designed to fit Glock 20 and Glock 21 frames when used with the Advantage Arms conversion kit.
• Includes a last-round hold open.
• Requires an Advantage Arms Conversion Slide Kit (sold separately).
• Product type is magazine intended for training and range use.
• Package contains 1 magazine.

Purpose-built to simplify rimfire training on full-size Glock platforms, this Advantage Arms magazine provides a practical, no-nonsense solution for routine range sessions. Its straightforward polymer design and last-round hold open keep operation reliable and easy to manage for repeated practice with .22 LR ammunition.