Advantage Arms Glock .22 LR Threaded Conversion Barrel w/Adapter Stainless Steel. 22 LR Threaded Conversion Barrel w/Adapter: Manufacturer: Advantage Arms Color: Stainless Steel Threads per Inch: 1/2x28 Caliber: .22 Long Rifle Gun Make: Glock Gun Model: Glock 23 Glock 19 Included Accessories: Adapter Condition: New Package Contents: Advantage Arms Glock 19/23 .22 LR Threaded Conversion Barrel w/Adapter What firearm models does the manufacturer say Advantage Arms Glock 19/23 .22 LR Threaded Conversion Barrel w/Adapter is compatible with? The manufacturer says that Advantage Arms Glock 19/23 .22 LR Threaded Conversion Barrel w/Adapter is compatible with Glock 19 Glock 23Advantage Arms AAXTB1923: Glock 19/23 .22 LR Threaded Conversion Barrel w/Adapter Stainless Steel