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Threaded barrel and compensator pairing for the Glock 17 (Gen 1-3) — both upgrades shipped together as a discounted bundle. Drop-in fit means no slide work: pull the slide, swap the factory barrel for the 4150 stainless threaded barrel, and thread the matched 1/2x28 compensator onto the muzzle. Works with stock factory recoil assemblies and aftermarket guide rods.
The barrel is full-length 4150 stainless steel, button-rifled with a 1:16 twist for standard 9mm Luger range and duty loads. Stainless is left in the white — a clean canvas if you want to refinish or Cerakote, and a sharp contrast under a black slide left as-shipped. The included compensator is a gas-vented design that meters expanding gas above the bore to flatten muzzle rise without changing your sight picture geometry.
Bundle includes:
Fit verification: confirmed for Glock 17 Gen 1, Gen 2, and Gen 3 factory and aftermarket slides. Gen 4 and Gen 5 use a different recoil and barrel profile — verify against your slide before installing. Run 100-150 rounds of standard-pressure 9mm to settle the barrel against the locking lugs and let the comp carbon up evenly; check the comp's set screw at the first cleaning.
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