Advantage Arms Conversion Kit for Glock Gen 1-5 9mm/.40 S&W Black. 40 S&W Glock down to 22lr so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to start on the 9mm a conversion kit is a great learning / training tool for your collection. Our MOD series is meant to fit Glock 19/23 Gen 5 and includes two 15 round magazines a 4.5 in threaded barrel a range bag and a recessed cut for a variety of red dot options. Its the perfect tool to work on your muscle memory or to have some fun with your 22lr can. Specifications for Advantage Arms Conversion Kit for Glock 26/27: Manufacturer: Advantage Arms Color: Black Gun Make: Glock Gun Model: Glock 27 Glock 26 Caliber: 9mm Luger .40 S&W Magazine Capacity: 15 Round Magazine Included: Yes Package Contents: Advantage Arms Conversion Kit for Glock 26/27 What firearm models does the manufacturer say Advantage Arms Conversion Kit for Glock 26/27 is compatible with? The manufacturer says that Advantage Arms Conversion Kit for Glock 26/27 is compatible with Glock 26 Glock 27Advantage Arms AAC26-27G1-5MOD: Conversion Kit for Glock 26/27 Gen 1-5 9mm/.40 S&W Black