Buy a Velocity standard or threaded G19 barrel. These are made from high-grade materials and deliver unparalleled accuracy and performance. Both are compatible with Glock 19 / Gen 3, 4 & 5.
Killer Innovations Velocity Base Pad For Glock
Killer Innovations Glock 19 Non-Threaded GP Velocity Barrel
Killer Innovations Velocity Brake for Glock - TriggrCon 2018
Killer Innovations Compensator install and range test on Glock 19 with factory recoil spring
Killer Innovations Glock 26 Threaded Velocity Barrel
Killer Innovations Velocity Match Grade RMR V1 Cut Slide for Gen 3 Glock 19 Black – TACDOM
Killer Innovations Barrels for Glock
Killer Innovations Velocity Barrel for Glock 19
Killer Innovations P320C Velocity Barrel - NON THREADED