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Ballistic Advantage Premium Series Glock 19 9MM 4 5 Inch Threaded Barrel 1 2x28 Bomber Fluting Gen 3 5 QPQ Black BAPSG195T2Q UPC 819747026132
Product Description
The Ballistic Advantage® Premium Series Glock 19 9mm 4.5-inch Threaded Barrel (SKU: BAPSG195T2Q / UPC: 819747026132) delivers match-grade precision, duty-grade endurance, and direct suppressor readiness to the iconic compact striker-fired handgun platform. Purpose-built for serious defensive, tactical, and competition handguns, this barrel bridges precision manufacturing tolerances with rugged reliability, allowing modern shooters to install muzzle devices, suppressors, or compensators without sacrificing point-of-impact consistency or cyclic speed.
Engineered from certified 416R stainless steel, each blank is stress-relieved and precision-honed before receiving Ballistic Advantage's proprietary "Bomber" fluting pattern. This aggressive fluted geometry sheds weight, increases exterior surface area for rapid convective heat dispersion, and creates channel clearance for debris during adverse operation. The complete barrel and matching thread protector receive a subterranean QPQ (Quench-Polish-Quench) liquid salt bath nitrocarburizing treatment. QPQ hardens the exterior skin to extreme Rockwell C depths, providing exceptional surface lubricity, micro-abrasion resistance, and unmatched defense against corrosive propellant salts and humid environments.
Featuring a 1:10 right-hand button rifling profile optimized for modern duty loads ranging from 115gr training ball to 147gr subsonic hollow points, the barrel provides tight lockup across factory and aftermarket slide cuts. The 1/2x28 muzzle threads feature an engineered thread relief shoulder, ensuring square indexing and bore alignment for silencer pistons and compensators. Whether building a custom combat pistol from the ground up or upgrading an existing duty sidearm, this Premium Series barrel ensures uncompromised mechanical reliability and precision accuracy.
*Armorer Bench Notes & Real-World Staging Guidance:*
Fitment Matrix: Glock 19 (Gen 3, Gen 4, Gen 5), Glock 19X, Glock 45, and spec-compliant aftermarket clone slides/frames (Polymer80 PF940C, Lone Wolf, Shadow Systems MR920). CRITICAL: NOT compatible with Glock 17, 34, 26, or 43/43X/48 slides. When mounting suppressors, ensure direct indexing on the shoulder; torque muzzle devices to 15-20 in-lbs using medium-strength threadlocker (Vibra-Tite or Blue Loctite 242) only when not utilizing an O-ring retained thread protector.
- Ensure the host firearm is completely clear, magazine removed, and chamber visually and physically verified empty.
- Depress slide lock levers and field-strip the Glock slide assembly from the frame; remove the recoil spring assembly and factory barrel.
- Apply a high-film-strength gunsmithing lubricant to the barrel hood, barrel lugs, locking block ramp, and exterior surface before seating into the slide assembly.
- Install the recoil spring assembly, ensuring the guide rod base is fully nested into the second step of the Ballistic Advantage barrel lug notch.
- Reassemble the slide onto the frame, confirm free slide cycling, verify passive safety trigger reset, check striker block drop safety, and inspect muzzle thread concentricity before live-fire staging.
Key Features
- 416R Match-Grade Stainless Steel: Precision CNC-machined from hardened 416R stainless billet to maintain mechanical integrity and bore straightness under high thermal stress.
- Proprietary Bomber Fluting: Directionally milled exterior fluting optimizes balance, accelerates barrel cooling during rapid-fire strings, and reduces overall pistol mass.
- Advanced QPQ Melonite Finish: Nitrocarburized surface treatment delivers extreme corrosion resistance, high lubricity, and long-term wear protection against holster abrasion.
- 1/2x28 Class 2A Precision Threads: Factory-threaded to accept standard 9mm suppressors, linear comps, and compensators, complete with a knurled thread protector.
- Drop-In Cross-Gen Geometry: Fully compatible across Glock 19 Gen 3, Gen 4, and Gen 5 locking systems, eliminating hand-fitting requirements.
- 1:10 Twist Button Rifling: Guarantees uniform projectile stabilization across all standard grain weights (115gr, 124gr, and 147gr).
Product Specifications
- Brand: Ballistic Advantage®
- Model/Series: Premium Series Glock 19 Threaded Barrel (Bomber Fluting)
- MPN / SKU: BAPSG195T2Q
- UPC: 819747026132
- Platform Compatibility: Glock 19 (Gen 3, Gen 4, Gen 5), G19X, G45
- Caliber: 9x19mm Parabellum
- Length: 4.50 Inches
- Muzzle Thread Pitch: 1/2x28 UNEF
- Twist Rate: 1:10 RH
- Material: Hardened 416R Stainless Steel
- Finish: QPQ Salt Bath Nitride (Black)
- Country of Origin: United States
