JP-8 Slug Plug Engraved with Zombie Skull, White Paint Fill; Fits Gen 4 GLOCK Pistols; Models 26,27, & 33 Zombie Skull engraved, white paint filled, unique item JP-8 Slug Plug Fits Generation 4 Glocks Fits Models 26, 27, & 33 Special black polymer material, prevents dust, debris, rain, and other elements from entering your gun