Eight years after disrupting the personal defense weapon (PDW) market with their original Glock chassis, Flux Defense has returned to its roots with a complete reimagining of the platform: the Flux Redux. Engineered specifically for Gen 4 and Gen 5 Glock 17, 19X, 22, 34, 35, 46, and 47 pistols, the Redux merges nearly a decade of manufacturing advancements with refined ergonomics, upgraded composite metallurgy, and native suppressor compatibility.
The Flux Defense Redux brings advanced injection-molded composite construction, a spring-loaded brace/stock system, and a removable aluminum shroud to Gen 4 and Gen 5 Glock handguns.
Core Technical Specifications
- Platform Compatibility: Purpose-built for Gen 4 and Gen 5 Glock frames: G17, G17L, G19X, G22, G34, G35, G46, and G47.
- Chassis Material Science: Precision injection-molded composite material engineered to replace heavy metal engine parts, balancing extreme impact strength with reduced overall weight.
- Shroud & Ergonomics: Removable aluminum shroud featuring integrated ambidextrous thumb ledges for enhanced recoil control.
- Deployment Mechanism: Spring-loaded brace/stock system designed for lightning-fast deployment while maintaining a compact footprint.
- Ammunition Interface: Retains the integrated dual-magazine Flashmag concept with an upgraded, patented magazine release button.
- Suppressor Integration: Expanded internal clearances engineered to accommodate most common pistol suppressors.
- MSRP: $349.99 for the complete Redux Kit.
Mechanical Engineering & Material Science
The primary engineering leap in the Redux platform lies in its advanced injection-molded composite construction. While early chassis systems relied heavily on traditional metal stampings or standard polymers that could flex under high-stress cycles, Flux utilized an aerospace-grade engineering composite originally developed to replace heavy metal engine components. This material yields exceptional rigidity and thermal stability, ensuring that the pistol frame locks into the chassis with zero slop or receiver wobble.
Mechanically, the two-piece architecture preserves full modularity, allowing the Flashmag and brace/stock components to function independently or together depending on state-level compliance and user configuration. The newly engineered aluminum shroud provides rigid mounting for accessories while incorporating ambidextrous thumb ledges, giving shooters a positive, repeatable indexing point that actively channels downward pressure to mitigate muzzle flip during rapid strings of fire.
Tactical Utility & Field Integration
In practical deployment, transition speed and footprint dictate the viability of any PDW conversion kit. The spring-loaded brace/stock system deploys instantly under spring tension, transforming a standard duty pistol into a stable, three-point-contact platform in milliseconds.
Despite its expanded capabilities—including suppressor clearance and dual-magazine capacity—the Redux maintains a streamlined envelope that easily integrates into specialized vehicle holsters and covert deployment bags. Furthermore, the redesigned magazine release solves previous tactile snags, ensuring lightning-fast primary and spare magazine swaps under high-stress conditions.
Concluding Assessment
The Flux Defense Redux is a masterclass in platform evolution. By combining aerospace-grade composite metallurgy, a removable aluminum thumb-ledge shroud, and lightning-fast spring-loaded deployment, Flux has redefined what a Glock-based PDW conversion can achieve.
Specifications Table
| Feature / Model Spec | Flux Defense Redux |
| Compatible Platforms | Gen 4/5 Glock G17, G17L, G19X, G22, G34, G35, G46, G47 |
| Chassis Material | High-Strength Injection-Molded Composite |
| Shroud Construction | Removable Aluminum with Ambidextrous Thumb Ledges |
| Deployment System | Spring-Loaded Brace / Stock |
| Ammunition Capacity | Dual Magazine Capability (Flashmag Compatible) |
| Retail Price | $349.99 (Redux Kit) |