Fits Glock 17/22/31 Magazines

Pachmayr Mag SpacerGrip ExtensionBlackAdapt Full-Size Magazines For Use With Compact HandgunsFits Glock 17/22/31 MagazinesFeatures:Increased Grip SizeImproved HandlingHigher CapacityAdapts Full-Size Magazines for Use in Compact Handguns