L2D Combat Tyton Assembly Threaded Pistol Slide for Glock 19/19X/45 Gen 5 RMR Ready Black/Black. Specifications for L2D Combat Tyton Assembly Threaded Pistol Slide for Glock 19/19X/45 Gen 5: Manufacturer: L2D Combat Fabric/Material: 17-4PH Stainless Steel Barrel Length: 4.49 in Barrel Profile: Standard Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Flutes: Yes Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Gun Model: Glock 45 Gen 5 Glock 19X Glock 19 Model Generation: 5 Weight: 15 oz Gun Frame Size: Compact Package Contents: L2D Combat Tyton Assembly Threaded Pistol Slide for Glock 19/19X/45 Gen 5 RMR Cover Plate RMR Mounting Hardware What firearm models does the manufacturer say L2D Combat Tyton Assembly Threaded Pistol Slide for Glock 19/19X/45 Gen 5 is compatible with? The manufacturer says that L2D Combat Tyton Assembly Threaded Pistol Slide for Glock 19/19X/45 Gen 5 is compatible with Glock 19 Glock 19X Glock 45 Gen 5L2D Combat LD-CU-T-195-FT-BLK-BLK: Tyton Assembly Threaded Pistol Slide for Glock 19/19X/45 Gen 5 RMR Ready Black/Black