IMI Defense Kidon Polymer Adapter Fits Glock 17 Black. The K1 adapter fits all Glock pistols all sizes with a Picatinny rail.Fits Glock 17/19/22/23/25/29/30/31/32/35/36/38 (Gen 4 Gen 5 Compatible as well) with rails Honor guard HG9SCLSMST / HG9SCLSFor Glock 2134353741 adapter "https://imidefense.com/product/kidon-k11-adapter/">Click here Features: Contains: Kidon K1 Pistol Adapter Details: Easy installation with a standard Allen key. Fit multiple models of brands. Compact size for storage. Available in black O.D. green and tan colorsMade in Israel Specifications for IMI Defense Kidon Polymer Adapter Fits Glock 17: Manufacturer: IMI Defense Gun Make: Glock Fabric/Material: Polymer Features of IMI Defense Kidon Polymer Adapter Fits Glock 17 Easy installation with a standard Allen key. Fit multiple models of brands. Compact size for storage. Package Contents: IMI Defense Kidon Polymer Adapter Fits Glock 17 IMI Defense K-1BLACK: Kidon Polymer Adapter Fits Glock 17 Black