Glock 17 drop-in 9mm barrel — factory-spec replacement for Gen 3, Gen 4, and Gen 5 G17 frames. Machined from 4150 chrome-moly steel and finished in black nitride for surface hardness, corrosion resistance, and reduced fouling pickup.
Factory-spec chamber and lug geometry — no gunsmithing required. Conventional rifling means the barrel runs cast lead, plated, and jacketed 9mm without restriction, which matters if you shoot cast bullets in practice loads. Solid replacement when the factory barrel is worn or you want a clean upgrade path before adding an optic-cut slide.
Specs:
Threaded upgrade path: Prefer suppressor or comp compatibility? Choose the threaded variant (GLK-17-THD) instead — same fit, same finish, 1/2x28 muzzle. This is the non-threaded crown-muzzle version.
Confirm your slide is cut to factory Glock 17 spec before install. Run 50–100 rounds to verify extraction and feeding with your carry load before relying on it for duty use.
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