Advantage Arms Pistol Magazine, 22LR, 25 Rounds, Fits Glock 17/22,19/23 Gen 3 and Gen 4 Models, Polymer, Black AA22GHC25 Advantage Arms is excited to offer their high quality .22 Long Rifle conversion kit magazine for Glock G17" G19" G22" and G23 firearms. This magazine is made from a durable polymer" features a 25 round capacity" and is designed to be used in conjunction with Advantage Arms' Glock 19/23 and Glock 17/22 rimfire conversion kits. It also features a last round hold open. This is the perfect option for shooters who want to train at the range with their carry/duty pistols" but also want to save money on ammunition. This magazine is not recommended for Glock 26/27 conversion kits. It fits Gen 3 and Gen 4 frames" and requires an Advantage Arms Conversion Slide Kit (not included).