Advantage Arms Pistol Magazine, 22LR, 10 Rounds, Fits 9,40,357,45GAP non-XDM Frames Only, Polymer, Matte Finish, Black MGXD940-4 Advantage Arms is excited to offer their high quality .22 Long Rifle conversion kit magazine for Springfield XD 9mm/.40 S&W/.357 Sig/.45 GAP firearms. This magazine is made from a durable polymer, features a 10 round capacity, and is designed to be used in conjunction with an Advantage Arms Springfield Armory XD rimfire conversion kit. 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 does not work with XDM frames. It requires an Advantage Arms Conversion Slide Kit (not included).