Fits Glock 19 Gen 3 OEM frames and Polymer80 PF940C aftermarket frames. This assembled upper ships with the 9mm barrel and 3CR Tactical slide completion kit already installed — drop it on your completed lower and you have a working Glock 19 upper ready to run.

The slide and barrel both wear a black Nitride finish for wear resistance and a uniform matte look. Rear serrations give positive purchase for press checks and malfunction drills, and the slide accepts standard Glock iron sights or an aftermarket set in the factory dovetails.

What's installed:

• Black Nitride rear-serrated slide for Glock 19
• 9mm Nitride drop-in barrel for Glock 19
• 3CR Tactical slide completion kit (channel liner, firing pin, extractor, springs, all internals)

What you still need:

• Iron sights — standard Glock dovetail cuts
• Completed Glock 19 Gen 3 lower (frame, trigger assembly, magazine)

Lubricate the slide rails generously before your first session. New slides can feel tight for the first 200 rounds as the contact surfaces bed in — this is normal and does not indicate a fitment issue. Verify your pistol is a Glock 19 Gen 3 or PF940C before mounting.

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