Fits Glock 19 Gen 3 OEM frames. The bullnose profile gives a Gen 3 frame the rounded forward look of a Gen 5 slide — same fit, updated profile.
The slide is melonite-coated with front and rear serrations and an RMR optic cut with recoil bosses for direct optic mounting. A polished stainless 9mm crown-cut barrel for Glock 19 Gen 1–5 is installed at the factory, along with the full 3CR Tactical slide completion kit and recoil rod.
What’s installed:
What you still need:
Lubricate the slide rails before first range session. Plan on 200 rounds of factory 115gr or 124gr ammunition to fully break in the action — the polished barrel will show light wear at the lugs as it beds, which is normal. Confirm your frame is Gen 3 or.
Optic & cover-plate hardware: RMR footprint. Screw specs for reference: cover plate 6-32 × 1/3″, optic 6-32 × 7/16″.
Frame parts kit included
This build is bundled with the 3CR Tactical frame completion kit — the lower components needed to finish a frame, bundled below what the kit sells for on its own.
Kit fitment — the frame parts kit is Gen 3: the trigger housing ships with the Gen 3 ejector. The slide itself fits Glock 19 Gen 3 frames.
What you'll still need to supply
This is a slide assembly and a frame parts kit. It is not a complete pistol and does not include a frame.
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