ADV ARMS CONV KIT LE17-22 G4/BAGThe Advantage Arms Conversion Kit for Glock 17 22 Gen 4 is the ultimate solution for cost effective training and plinking. This kit allows you to convert your 9mm . 40 S&W Glock into a . 22LR, significantly reducing ammunition costs without sacrificing the feel of your familiar firearm. Designed specifically for Gen 4 Glock frames, this kit ensures a perfect fit and reliable function. The included range bag makes transportation a breeze, while the 15