Agency Arms Mid Line 9mm drop-in replacement barrel built for the Glock 19 Gen 3 and Gen 4 frames. Fits factory G19 slides and most aftermarket G19 slides cut for a standard-length, non-threaded barrel — no fitting or gunsmithing required.
The Mid Line is Agency's accuracy-focused upgrade barrel. The exterior is fluted along the length to reduce weight and visually break up the slide window. The finish is titanium nitride (TiN) — a bright gold-tone PVD coating that runs slick and stands up to high round counts without flaking.
Lockup is tighter than a factory G19 barrel — expect a short break-in before groups settle in. Lube the inside top of the slide on first install and run a couple magazines slowly to seat the fit. If installing in an aftermarket slide, verify the slide is cut for a standard non-threaded G19 barrel before ordering.
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