Glocks are famous for durability and reliability. As stock pistols, they’re bricks. Johnny Glock has provided the parts needed to turn your Glock into a performance pistol, whether for competitive or duty purposes. Precision and polished parts and redesigned trigger systems eliminate drag, crunch, grinding, and slop that is inherent in the Glock’s OEM product. The Gen 5 Glock has a great frame, barrel, and slide. Everything else should be replaced with Johnny Glock parts. Maybe it costs something to do so but the functionality, accuracy, and total performance improvement is priceless. The only thing better than Johnny Glock parts is Johnny Glock customer service!