The Brownells Fluted Threaded Glock 19 barrel is a drop-in fit across every Glock 19 generation (Gen 1, 2, 3, 4, and 5) with 1/2x28 muzzle threads for any standard 9mm compensator or suppressor. Cut from 416R stainless steel to match-grade tolerances.
Match-grade chamber dimensions tighten lock-up over the factory MIM barrel — that is where the bulk of OEM-G19 accuracy slop comes from. The fluted exterior reduces weight, helps shed heat under sustained fire, and shows nicely through a window or RMR-cut slide.
Specs:
Pair with the 3CR Tactical 9mm Micro Comp for a compact full-package upgrade, or run the included thread protector if you are not adding a muzzle device. Run a 50-round function check before duty use.
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