Ghost Inc Ghost Grip Plug Kit For Gen.4 Glocks. Grip Plug Kit Fits Glock Gen 4 (26/27/33/39) Black 2-Pack GHO_GPG4X2 Specifications for Ghost Inc Ghost Grip Plug Kit For Gen.4 Glocks: Type/color: Glock grip plug kit Size/finish: Black Material: Polymer Other features: Fits gen 4 glock 17 19 22 23 31 32 34 35 37 38. includes two plugs one for use with a backstrap and another for use without a backstrap Package Contents: Ghost Inc Ghost Grip Plug Kit For Gen.4 Glocks The Ghost Inc Ghost Grip Plug Kit For Gen.4 Glocks is a quality addition to the Ghost Inc lineup. For more great deals on Weapon Accessories by Ghost Inc please browse our Ghost Inc Weapon Accessories page. Ghost Inc Ghost Grip Plug Kit For Gen.4 Glocks