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The True Precision Threaded Barrel is one of the cleanest ways to open up your Glock 19 for a can or comp without touching a tool. It drops right into your existing slide with no gunsmithing, and the 1/2×28 threaded muzzle means most 9mm suppressors and muzzle devices thread on without a fuss. It ships with an O-ring-equipped thread protector too, so your threads stay protected when you're running bare.
What sets this barrel apart is what happens inside. True Precision machines each one from certified US-sourced 416R match-grade stainless and broach-cuts the 6-groove rifling in-house, which is a slower, more deliberate process aimed at squeezing out better accuracy and consistency. The 1:10 twist handles the full spread of 9mm loads, including cast lead, and the SAAMI-spec chamber with a widened, polished feed ramp keeps things running smooth with hollow points and defensive ammo. The finish here is a black nitride QPQ treatment that adds corrosion resistance and wear durability while giving the barrel a clean, low-key matte look.
This one is built for the 3.9-inch Glock 19, and it also covers the 19X and G45 in 9mm across Gen 1 through Gen 5 frames. It's a favorite for Polymer80 and other aftermarket builds as well, since the tight-but-reasonable tolerances give you factory-style lockup without hand fitting.
Installation is about as easy as it gets. Field strip your pistol, pull the factory barrel, drop this one in, and reassemble. Folks running everything from a stock Gen 5 to a PSA Dagger report it seating properly and cycling right away. Whether you're chasing tighter groups at the range, setting up a quiet suppressor host, or bolting on a comp to tame muzzle flip, this barrel makes a solid foundation for the build.
Yes. This barrel is designed to fit Glock 19 Gen 1 through Gen 5 frames, and it also works with the 19X and G45 in 9mm. Owners of Gen 5 pistols report it dropping in and running without any modification.
No. It's a true drop-in design that installs with no tools and no fitting. Field strip your Glock, swap the factory barrel for this one, and reassemble. True Precision holds tight tolerances so you get solid lockup right out of the box.
The muzzle is threaded 1/2×28, which is the standard pitch for 9mm suppressors and muzzle devices. That covers the vast majority of cans and comps on the market. It also ships with a thread protector for when you're running without an attachment.
Yes. The broach-cut 6-groove rifling is engineered to handle all common 9mm ammo types safely, including cast lead. That's a nice advantage over polygonal factory rifling, which usually warns against unjacketed lead loads.
| UPC | 719104534396 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | TP-G19B-XTBL |
| Caliber/Gauge | 9mm |
| Color | Black |
| Length | 6.6500 |
| Model | |
| Product Type | Barrel |
| Sights | No |
| Style | Drop-In |
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