Grey Ghost Precision Barrel Glock 19 Gen 3, 4 9mm Luger 1/2"-28 Thread Stainless Steel
Grey Ghost Gear
The Grey Ghost Precision Glock 17 Gen 3/4 9mm Luger barrel brings match-grade accuracy to your pistol without the custom gunsmith work. Built from 416R stainless steel—the same material used in precision rifle barrels—this drop-in barrel maintains SAAMI specification and tight dimensional tolerances (±0.003") that translate to consistent shot placement at the range or in competition. The 1/2"-28 thread pitch makes it compatible with most common muzzle devices, and the stainless finish resists corrosion while maintaining a clean, professional look.
Drop-in barrels can feel like a no-brainer upgrade, but quality matters. Grey Ghost's match-grade chamber and proprietary twist rate aren't just marketing—they're designed to support reliable feeding and accuracy across factory and reloaded 9mm loads. Whether you're prepping for a match, running a duty upgrade, or simply want tighter groups without a full build, a quality barrel swap is one of the highest-return upgrades for a Glock platform gun.
Compatible with both Glock 17 Gen 3 and Gen 4 frames, this barrel is a straightforward installation on a field-stripped pistol. At 5 ounces, it won't noticeably shift your balance or ergonomics. The stainless steel finish handles the heat and pressure cycles of frequent shooting and cleans up easily—a practical choice for shooters who put rounds downrange regularly.
| Caliber | 9mm Luger |
| Barrel Material | 416R Stainless Steel |
| Thread Pitch | 1/2"-28 |
| Finish | Stainless Steel |
| Compatibility | Glock 17 Gen 3 and Gen 4 |
| Weight | 5 oz |
| Chamber Type | Match Grade, SAAMI Spec |
| Tolerance | ±0.003" |
Yes, this barrel is designed as a drop-in for Glock 17 Gen 3 and Gen 4 frames. Simply field-strip your pistol and swap the barrel—no gunsmithing required.
Yes. The 1/2"-28 thread pitch is the standard for 9mm suppressors and aftermarket muzzle devices. Confirm your suppressor's thread pitch before purchase.
This barrel is finished in stainless steel, which resists corrosion and is easy to clean. Grey Ghost also offers a Black Nitride finish option if you prefer a darker appearance or different hardness characteristics.
The match-grade chamber and tight tolerances support accurate, reliable shooting in both contexts. Many competitors and duty shooters upgrade their Glock barrels for improved consistency.