Tapco Conversion Barrel 9Mm Fits Glock 22 Gen3-4 Drop In Black Nitride. An easy-to-install barrel simply just drop it in no gunsmith or other modifications are required. We recommend switching to Glock 17 magazines for reliable feeding. Specifications for Tapco TAP22017 Conversion Barrel 9mm Fits Glock 22 Gen3-4 Drop In Black Nitride: Manufacturer: Tapco Color: Black Fabric/Material: Stainless Steel Gun Make: Glock Gun Model: Glock 22 Caliber: 9mm Luger Magazine Capacity: 0 Round Magazine Included: No Barrel Material: Stainless Steel Model Generation: 4 3 Threads per Inch: Non Threaded Tapco TAP22017 Conversion Barrel 9mm Fits Glock 22 Gen3-4 Drop In Black Nitride What firearm models does the manufacturer say Tapco TAP22017 Conversion Barrel 9mm Fits Glock 22 Gen3-4 Drop In Black Nitride is compatible with? The manufacturer suggests that Tapco TAP22017 Conversion Barrel 9mm Fits Glock 22 Gen3-4 Drop In Black Nitride is compatible with Glock 22