Glock OEM Factory Replacement Threaded Barrel - Glock 19 Gen3/Gen4, 9mm Luger, 1/2x28 TPI Right-Hand Threads, Cold Hammer Forged Steel, Gas Nitride Finish, Black - 47739
Product Description
Equipping a premium everyday carry (EDC) or defensive pistol platform with muzzle brakes, compensators, or sound suppressors requires a precision core barrel manufactured to exact factory specifications. While aftermarket option sets frequently suffer from loose lockup variations, steep feeding ramp geometry errors, or specialized ammunition pickiness on your bench, the **Glock® OEM Glock 19 Gen3/Gen4 9mm Threaded Barrel (47739)** completely flatlines these conversion bottlenecks. It delivers a direct-from-factory engineering asset calibrated to drop right into your standard compact slide layout with zero hand-fitting required.
Proudly engineered and manufactured in Austria by Glock, this authentic factory-original replacement barrel is **cold hammer-forged from premium ordnance-grade steel billet**. The entire unit undergoes Glock's advanced **gas nitride hardening treatment**, creating a non-reflective matte black outer shell that is highly resistant to surface wear and trail corrosion. Crucially, this version departs from standard European metric indexing to provide the highly requested American **1/2x28 TPI right-hand thread pattern**, making it instantly compatible with popular silencer pistons and compensator blocks. Complete with a knurled steel thread protector ring to shield the shoulder edges when run bare, this turn-key barrel asset restores absolute tactical reliability straight to your workbench.
Engineered to lock perfectly into native Gen3 and Gen4 Glock 19 slide mechanisms, this factory upgrade ensures match-grade accuracy and flawless extraction parameters directly from your workspace bench.
*Armorer Bench Notes & Safety Custom Staging Guidance: The Glock 47739 threaded barrel package arrives workspace ready, containing 1x factory original threaded 9mm steel barrel assembly and 1x pre-installed factory knurled steel thread protector sleeve. PROPRIETARY COMPACT FRAME FITMENT MATRIX: This modular replacement barrel is engineered natively, strictly, and dimensionally to drop into **Generation 3 and Generation 4 variations of the Glock 19 platform**. *Generation 5 Compatibility Notice:* While it will physically slide into a Gen5 G19 slide layout on your bench, the locking block geometric footings differ between generation tiers, meaning this barrel must strictly be run in Gen3 or Gen4 slide assemblies to ensure safe locking indexing downrange. Armorer Workbench Custom Staging Sequence: 1. Visually and physically confirm your host handgun is completely clear of live ammunition, the magazine is removed, and the chamber area is empty and safe. 2. Field strip the weapon slide assembly from the lower receiver shell according to factory guidelines. 3. Remove the standard recoil spring assembly guide rod and pull your factory non-threaded barrel up and away from the interior slide tracks. 4. Unthread the steel thread protector from the new 47739 barrel before sliding the new assembly down into the front muzzle opening. 5. Apply a tiny single drop of premium liquid gun lubricant onto the outer hood flats, locking lug angles, and slide rail guide tabs before reassembling the framework. 6. Reinstall the recoil spring, slip the slide back onto the frame, and perform a manual action check to verify clean cycling parameters before rolling out downrange.*
Key Features
- Authentic Glock OEM Quality: Sourced straight from Glock's production lines to guarantee perfect geometric dimensions, reliable lockups, and strict factory compliance.
- American 1/2x28 Thread Pitch: Features standard 1/2x28 right-hand threads to allow direct toolless mounting of American-market suppressors and compensators.
- Gas Nitride Hard Armor: Treated with Glock's specialized gas nitriding process to provide a slick, ultra-hard surface that ignores trail sweat and environmental moisture.
- Cold Hammer-Forged Billet: Hammer-forged from high-tensile steel billet to ensure uniform barrel walls, extreme pressure resilience, and long-term rifling life.
- Knurled Thread Protector Included: Ships with a factory-matching black steel thread cap to prevent shoulder damage or cross-threading when running without attachments.
- Traditional Polygonal Rifling: Employs Glock's signature polygonal rifling matrix, which seals combustion gases tightly to maximize velocity and make bore cleaning easy.
Product Specifications
- Brand: Glock® (Austria / Smyrna, Georgia)
- Model Line: Factory Original Equipment (OEM) Precision Replacement Components
- MPN/SKU Code: 47739 (1/2x28 Threaded G19 Gen3/Gen4 Specification Base SKU)
- UPC Code Profile: 764503030604
- Ammunition Caliber Match: 9mm Luger / 9x19mm Parabellum Handgun Cartridges Only
- Thread Pitch Standard: 1/2"x28 TPI (Threads Per Inch) Right-Hand Standard American Formatting
- Firearm Platform Compatibility: Glock 19 Compact Models (Generation 3 and Generation 4 Architecture strictly)
- Core Metal Base Material: Cold Hammer-Forged Premium High-Tensile Ordnance Steel Billet
- Exterior Surface Treatment: Ultra-Hard Low-Friction Matte Black Gas Nitride Protective Coating
- Rifling Profile Configuration: Advanced Glock Hexagonal Polygonal Right-Hand Twist Bore Pattern
- Included Auxiliary Protection: CNC-Machined Textured Knurled Black Steel Thread Protector Cap
- Full Kit Component Checklist: 1x Glock 19 Threaded Barrel, 1x Factory Thread Protector Ring Only
- Packaging Format Class: Factory Original Sealed Glock Branded Clear Poly Inventory Bag with Asset Headers
- Product Type Category: Handgun Components / Pistol Barrels & Muzzle Device Adapters
- Overall Mechanical Unit Length: ~4.50 Inches (~114.3 mm Linear Outer Length Dimension metrics)
- Net Component Module Mass: ~3.65 Ounces (~103.4 Grams Balanced Light-Weight Structural Steel Weight)
- Country of Engineered Origin: Developed, Forged, Hardened, and Performance-Tested Proudly in Austria
- Warranty Tracking Protection: Fully Backed by Glock Factory Material Defect Cover Protection
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