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Glock 19 Gen 3 Slides, Barrels, Magwells & Upgrades
Shop Glock 19 Gen 3 slides, barrels, magwells, sights, triggers, and upper components from NineX19. This collection includes individual upgrades and coordinated slide-and-barrel combinations for Gen 3 builds.
G19 Gen 3 Slides and Ported Combos
Choose the NineX19 X1 for an optic-ready G19 Gen 3 slide with our signature windowed design, aggressive rear serrations, and an RMR-pattern optic cut. For an integrated ported upper, the Vapor combines a ported slide and matching barrel designed to work together as a complete system.
G19 Gen 3 Barrel Options
Available Glock 19 barrels include standard and threaded Match V2 and Revolution configurations in multiple finishes. Some product listings cover multiple generations, so select the required generation, finish, and threaded or non-threaded configuration on the individual product page.
Magwells, Triggers and Sights
Complete your G19 build with a compatible NineX19 Hybrid Magwell, Gen 1–4 trigger, replacement sights, slide back plate, or other upper components. Review each product page to confirm compatibility and determine whether additional parts are required for installation.
Generation Compatibility
G19 Gen 3 slides use generation-specific recoil-spring and slide-component specifications. Slides and certain internal components are not universally interchangeable across Glock generations. Confirm that each slide, recoil-spring assembly, trigger, magwell, and internal component is listed for Gen 3 before ordering.
Looking for products across multiple generations? Browse all Glock 19 slides, barrels, magwells, and upgrades.
Out of stock
Out of stock
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Price range: $149.00 through $154.00
Out of stock
Price range: $139.00 through $149.00
Out of stock
Price range: $149.00 through $154.00
Out of stock
Glock 19 Gen 3 Slides, Barrels, Magwells & Upgrades
Shop Glock 19 Gen 3 slides, barrels, magwells, sights, triggers, and upper components from NineX19. This collection includes individual upgrades and coordinated slide-and-barrel combinations for Gen 3 builds.
G19 Gen 3 Slides and Ported Combos
Choose the NineX19 X1 for an optic-ready G19 Gen 3 slide with our signature windowed design, aggressive rear serrations, and an RMR-pattern optic cut. For an integrated ported upper, the Vapor combines a ported slide and matching barrel designed to work together as a complete system.
G19 Gen 3 Barrel Options
Available Glock 19 barrels include standard and threaded Match V2 and Revolution configurations in multiple finishes. Some product listings cover multiple generations, so select the required generation, finish, and threaded or non-threaded configuration on the individual product page.
Magwells, Triggers and Sights
Complete your G19 build with a compatible NineX19 Hybrid Magwell, Gen 1–4 trigger, replacement sights, slide back plate, or other upper components. Review each product page to confirm compatibility and determine whether additional parts are required for installation.
Generation Compatibility
G19 Gen 3 slides use generation-specific recoil-spring and slide-component specifications. Slides and certain internal components are not universally interchangeable across Glock generations. Confirm that each slide, recoil-spring assembly, trigger, magwell, and internal component is listed for Gen 3 before ordering.
Looking for products across multiple generations? Browse all Glock 19 slides, barrels, magwells, and upgrades.