
Availability: In Stock
The True Precision Barrel for Glock 19 Copper Threaded is a precision-engineered drop-in replacement barrel designed for shooters who demand accuracy and reliability from their 9mm carry or duty pistol. Manufactured entirely in the USA from certified 416R stainless steel, this threaded barrel fits Glock 19, 19X, and Model 45 pistols across all generations (Gen 1–5) and is ready to install with minimal hassle—no gunsmithing required. Whether you're building a suppressor-ready setup, upgrading for competition, or simply want a more accurate barrel, True Precision's proprietary engineering gives your pistol a genuine performance edge.
Built with accuracy as the priority, this barrel features True Precision's advanced proprietary broach cut design and 6-groove rifling (1/10 right-hand twist) specifically engineered to improve shot-to-shot consistency and reliability. The broach cut design accepts all ammunition types safely, including cast lead rounds—no feeding or accuracy compromises regardless of what's in your magazine. The threaded version includes a Viton high-heat integral O-ring lock thread protector and is crowned to 11-degree competition specifications, so it's ready for either suppressed or unsuppressed shooting.
As a US-made component sourced from American manufacturers and machined from the ground up in Georgia, this barrel represents the quality and accountability you expect when you're relying on your pistol. The fully supported SAAMI-spec chamber ensures safe, consistent performance across factory and quality reloads. Drop it into your Glock, thread on a suppressor or cap it with the included protector, and get to the range—this is straightforward precision engineering that works.
| Caliber | 9mm |
| Rifling | 6-groove, 1/10 right-hand twist |
| Thread Pattern | 1/2x28 |
| Material | Certified 416R stainless steel |
| Compatibility | Glock 19, 19X, Model 45 (Gen 1–5) |
| Chamber | Fully supported SAAMI spec |
| Crown | 11-degree competition-style target crown |
| Installation | Drop-in, no gunsmithing required |
Yes. This barrel is a drop-in fit for Glock 19, 19X, and Model 45 pistols in all generations (Gen 1–5). Installation requires no gunsmithing—simply disassemble your slide and swap the barrel.
Yes. The barrel is threaded 1/2x28 and comes with a Viton high-heat integral O-ring thread protector, making it ready for suppressor mounting. The protector is included if you want to shoot unsuppressed.
The 6-groove broach cut design is engineered to safely accept all 9mm ammunition types, including factory loads and cast lead rounds, with no compromise to feeding or accuracy.
Yes. True Precision manufactures this barrel 100% in the USA from certified 416R stainless steel, with all machining, design, and assembly performed domestically.



SKU: 115802525 • Width: 3in • Height: 1.25in • Depth: 6.75in • Weight: 0.31oz





Availability: In Stock
The True Precision Barrel for Glock 19 Copper Threaded is a precision-engineered drop-in replacement barrel designed for shooters who demand accuracy and reliability from their 9mm carry or duty pistol. Manufactured entirely in the USA from certified 416R stainless steel, this threaded barrel fits Glock 19, 19X, and Model 45 pistols across all generations (Gen 1–5) and is ready to install with minimal hassle—no gunsmithing required. Whether you're building a suppressor-ready setup, upgrading for competition, or simply want a more accurate barrel, True Precision's proprietary engineering gives your pistol a genuine performance edge.
Built with accuracy as the priority, this barrel features True Precision's advanced proprietary broach cut design and 6-groove rifling (1/10 right-hand twist) specifically engineered to improve shot-to-shot consistency and reliability. The broach cut design accepts all ammunition types safely, including cast lead rounds—no feeding or accuracy compromises regardless of what's in your magazine. The threaded version includes a Viton high-heat integral O-ring lock thread protector and is crowned to 11-degree competition specifications, so it's ready for either suppressed or unsuppressed shooting.
As a US-made component sourced from American manufacturers and machined from the ground up in Georgia, this barrel represents the quality and accountability you expect when you're relying on your pistol. The fully supported SAAMI-spec chamber ensures safe, consistent performance across factory and quality reloads. Drop it into your Glock, thread on a suppressor or cap it with the included protector, and get to the range—this is straightforward precision engineering that works.
| Caliber | 9mm |
| Rifling | 6-groove, 1/10 right-hand twist |
| Thread Pattern | 1/2x28 |
| Material | Certified 416R stainless steel |
| Compatibility | Glock 19, 19X, Model 45 (Gen 1–5) |
| Chamber | Fully supported SAAMI spec |
| Crown | 11-degree competition-style target crown |
| Installation | Drop-in, no gunsmithing required |
Yes. This barrel is a drop-in fit for Glock 19, 19X, and Model 45 pistols in all generations (Gen 1–5). Installation requires no gunsmithing—simply disassemble your slide and swap the barrel.
Yes. The barrel is threaded 1/2x28 and comes with a Viton high-heat integral O-ring thread protector, making it ready for suppressor mounting. The protector is included if you want to shoot unsuppressed.
The 6-groove broach cut design is engineered to safely accept all 9mm ammunition types, including factory loads and cast lead rounds, with no compromise to feeding or accuracy.
Yes. True Precision manufactures this barrel 100% in the USA from certified 416R stainless steel, with all machining, design, and assembly performed domestically.
SKU: 115802525 • Width: 3in • Height: 1.25in • Depth: 6.75in • Weight: 0.31oz


