Advantage Arms Model 21 22 LR 10 Round Magazine

Advantage Arms offers a high-quality .22 Long Rifle conversion kit magazine engineered for use with Glock G20 and G21 firearms. Constructed from durable polymer, this magazine delivers a 10-round capacity and includes last round hold open functionality. Designed to work with the Advantage Arms Glock 20/21 rimfire conversion kit, it allows shooters to train at the range with their carry and duty pistols while reducing ammunition expenses. Requires an Advantage Arms Conversion Slide Kit (not included).