Factory Glock replacement barrel for Glock 19 frames. Drop-in fit on Glock 19 Gen 3, Gen 4, and Gen 5 slides cut to OEM spec — no fitting required. This is the same barrel Glock ships from the factory in a new Glock 19.
Fits all Glock 19 generations (Gen 3, Gen 4, Gen 5) and Glock 19-pattern slides built to OEM dimensions. The Glock 19X and Glock 45 use the same barrel; long-slide variants do not.
Factory black nitride (Tenifer-equivalent) over Glock-spec barrel steel — same metallurgy and surface treatment as the OEM barrel that ships in a new pistol.
Polygonal rifling does not pair well with unjacketed lead bullets — run FMJ or jacketed defense loads only. Confirm your slide is a standard Glock 19 cut (not 19X long-slide, not custom aftermarket lengths) before ordering.
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