Faxon Duty Series Glock 19 Threaded Barrel 9mm 1/2x28 Black Nitride - GA910N19NGQ-T

Faxon Firearms Duty Series Glock 19 9mm Threaded Barrel 1 2x28 Nitride GA910N19NGQT UPC 816341022171

Product Description

The Faxon Firearms® Duty Series Glock 19 Threaded Barrel (SKU: GA910N19NGQ-T / UPC: 816341022171) provides hard-use reliability, precision lockup, and silencer readiness for defensive handguns. Engineered specifically for Glock 19 (Gen 1–5), Glock 19X, and Glock 45 slide architectures, this barrel delivers match-level accuracy while maintaining duty-grade reliability in harsh field conditions.

Each barrel is precision CNC-machined from stress-relieved 4150 Chrome Moly Vanadium (CMV) steel, offering exceptional thermal stability and tensile strength under high-volume firing schedules. Both the internal bore and exterior surfaces receive a uniform salt-bath QPQ black Nitride treatment. This diffusion process significantly hardens the steel surface, dramatically increases lubricity, and seals the metal against aggressive bore solvents, perspiration, carbon fouling, and environmental corrosion.

Featuring a 1/2x28 UNEF-2A thread pitch, this barrel easily integrates sound suppressors, micro-compensators, and muzzle brakes. Unlike factory OEM Glock polygonal rifling, the Faxon Duty Series utilizes a 1:10 twist conventional 6-groove button-rifled bore, allowing shooters to safely fire cast lead, polymer-coated, and full metal jacketed bullets without excessive pressure spikes or lead fouling. Finished with an 11-degree target crown and accompanied by a knurled thread protector, it provides dependable mechanical performance for duty, carry, and competition.

*Armorer Bench Notes & Real-World Staging Guidance:*

Fitment Matrix: Glock 19 (Gen 1, Gen 2, Gen 3, Gen 4, Gen 5), Glock 19X, and Glock 45. CRITICAL: NOT compatible with Glock 17, 34, 26, or slimline 43/43X/48 slides. Muzzle threading is standard 1/2x28 UNEF-2A. When mounting compensators, degrease threads thoroughly, use medium-strength blue threadlocker, and torque set screws to 12–15 in-lbs to prevent walking. When staging a suppressor, hand-tighten against the squared barrel shoulder and verify bore concentricity with an armorer alignment rod before live firing.

1. Ensure the host firearm is completely clear, magazine removed, and chamber visually and physically verified empty.
2. Field-strip the slide assembly by retracting the slide slightly, depressing the takedown levers, removing the slide forward, and unseating the factory recoil spring assembly and barrel.
3. Inspect and clean the interior slide channel and locking block surfaces, then seat the Faxon Duty barrel into the slide, ensuring full engagement with the breech face and ejection port.
4. Reinstall the factory recoil spring assembly into the barrel lug notch, remount the slide assembly onto the frame, and install the knurled thread protector or preferred muzzle device.
5. Perform a complete armorer bench check: cycle the action manually to check lockup, test trigger pull and reset, and verify out-of-battery disconnect prior to range staging.

Key Features

• Stress-Relieved 4150 CMV Steel: Provides high tensile strength and thermal endurance under sustained defensive firing schedules.
• Salt-Bath QPQ Nitride Finish: Delivers superior surface hardness, wear resistance, and deep corrosion protection inside and out.
• Conventional 1:10 Button Rifling: Fully compatible with cast lead, poly-coated, and copper-jacketed 9mm projectiles without dangerous fouling.
• Threaded 1/2x28 Muzzle: Industry-standard thread pattern ready for instant attachment of suppressors and muzzle compensators.
• 11-Degree Target Crown: Recessed muzzle profile shields rifling lands and ensures uniform gas expansion at bullet exit.
• Included Thread Protector: Ships with a matching knurled steel thread protector and rubber O-ring to prevent unthreading.

Product Specifications

• Brand: Faxon Firearms®
• Model/Series: Duty Series Threaded Pistol Barrel
• MPN / SKU: GA910N19NGQ-T / GA910N19NGQT
• UPC: 816341022171
• Platform Compatibility: Glock 19 (Gen 1–5), Glock 19X, Glock 45
• Caliber / Chambering: 9x19mm Parabellum / 9mm Luger (SAAMI Spec)
• Overall Length: 4.47 Inches (Nominal 4.5 Inches)
• Barrel Metallurgy: Stress-Relieved 4150 Chrome Moly Vanadium (CMV) Steel
• Rifling Type: 6-Groove Button Rifling (Conventional Land & Groove)
• Rifling Twist Rate: 1:10 RH
• Muzzle Thread Pitch: 1/2x28 UNEF-2A
• Crown: 11-Degree Target Crown
• Finish: QPQ Salt Bath Nitride (Melonite)
• Included Accessories: Thread Protector with Viton O-Ring
• Country of Origin: United States (Cincinnati, Ohio)