9mm threaded drop-in barrel for the Glock 19 Gen 1-3. Slides into factory and aftermarket Glock 19 slides without fitting work. Threaded 1/2x28 muzzle accepts standard 9mm compensators, suppressors, and thread protectors. Gen 4 and Gen 5 owners can run this barrel with a Gen 3 recoil rod assembly and adapter.
Machined from 416R stainless steel at full factory length for proper lockup, consistent accuracy, and reliable extraction across range and defensive loads.
Run a thread protector or compensator at the range — exposed threads collect debris and damage the crown. Lubricate the slide rails and barrel hood during the first 100 rounds to seat lockup. Verify your recoil rod assembly is set up for Gen 3 timing before installation, and confirm your compensator or suppressor threads are correctly indexed before live fire.
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