Description This Advantage Arms magazine is a .22 Long Rifle conversion magazine designed for use with Advantage Arms conversion slide kits on Glock pistols. Constructed from durable polymer, it provides a 15-round capacity and incorporates a last-round hold open feature. The magazine fits Glock Gen 3 and Gen 4 frames for the G17, G19, G22, and G23 models, and is intended for range training and economical practice with .22 LR ammunition. It is not recommended for Glock 26 or 27 conversion kits and does not include the conversion slide kit. Key Specifications The caliber/cartridge is .22 LR. The capacity is 15 rounds. The material is polymer. The finish/color is black. The fit is specified for Glock Gen 3 and Gen 4 G17, G19, G22, and G23. The magazine features a last-round hold open. The quantity included is 1 magazine. This magazine requires an Advantage Arms conversion slide kit (not included) to function as a conversion system. This magazine is not recommended for Glock 26 or 27 conversion kits. Built to complement Advantage Arms conversion systems, this magazine offers a reliable, cost-effective option for shooters who prioritize economical training and consistent function. Its polymer construction and last-round hold open make it a practical choice for repetitive range use while maintaining compatibility with common Glock Gen 3 and Gen 4 frames.