Ghost Inc Maritime Spring Cups Fits Glocks Only. Will ensure that even with water and/or debris inside your Fits Glocks' firing pin channel your Fits Glock pistol will fire. Drop in - no fitting. Specifications for Ghost Inc Maritime Spring Cups Glocks Only GHO-MSC: Mfg Item Num: GHO-MSC Type: ACCESSORIES - GUN ACCESSORIES - GUN PARTS made in specialized factories: made in specialized factories Master Model Header: Maritime Spring Cups The Ghost Inc Maritime Spring Cups Glocks Only GHO-MSC is a quality addition to the Ghost Inc lineup. For more great deals on Pistol Slides & Slide Parts by Ghost Inc please browse our Ghost Inc Gun Parts page.