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Flux Defense Raider X P320 Pistol Chassis - Black
Next Evolution - Reinforced Frame - SOF Tested - P320/M17/M18 The Flux Defense Raider X P320 is the next evolution of the Flux Raider platform—a premium personal defense weapon chassis system engineered for the SIG Sauer P320, M17, and M18 family of pistols. It's not a firearm—it's a purpose-built chassis upgrade, born from real-world feedback from special operations units and thousands of everyday users. Stronger, lighter, faster—and ready to keep you in the fight. Features overtravel stop to prevent over-insertion of magazines, reinforced frame with upgraded single-gate mold for strength and fewer weak points, molded-in insert for ejection spring bolt for better reliability, stronger mag catch spring for positive magazine locks, upgraded fencing around dual mag release, increased rail-lock spring force, redesigned grip top for better mag release and safety access, front frame reshaped to accept extended rails for increased LOP, smoother magwells for faster reloads, improved grip texture, new matte finish to reduce glare, enlarged suppressor cutout for short barrels/comps/cans, added slot to bottom Picatinny rail for more accessory options, optic rail adjusted and slotted for improved fit with all optics, and slide channel under optic rail raised for better clearance with adjustable iron sights. Black finish. **This is a chassis system only. Firearm, slide, barrel, and magazines are not included.**
Next Evolution from SOF Feedback
The Raider X P320 is the next evolution of the Flux Raider platform, born from real-world feedback from special operations units and thousands of everyday users. The comprehensive upgrades deliver stronger, lighter, faster performance ready to keep you in the fight.
Reinforced Frame with Single-Gate Mold
Reinforced frame with upgraded single-gate mold provides increased strength with fewer weak points. The improved manufacturing process creates a more robust chassis that withstands demanding use.
Improved Reliability and Durability
Overtravel stop prevents over-insertion of magazines for consistent function. Molded-in insert for the ejection spring bolt improves reliability. Stronger mag catch spring ensures positive magazine locks. Upgraded fencing around the dual mag release provides enhanced protection. Increased rail-lock spring force improves accessory retention.
Redesigned Ergonomics
Redesigned grip top provides better access to mag release and safety. Front frame reshaped to accept extended rails for increased length of pull. Smoother magwells enable faster reloads. Improved grip texture ensures secure purchase. These ergonomic enhancements improve usability under stress.
New Matte Finish
New matte finish in black reduces glare for tactical advantage. The anti-glare surface prevents reflection in low-light or covert operations.
Enhanced Compatibility
Enlarged suppressor cutout accommodates shorter barrels, compensators, or suppressors. Added slot to bottom Picatinny rail provides more accessory mounting options. Optic rail adjusted and slotted for improved fit with all optics. Slide channel under optic rail raised for better clearance with adjustable iron sights—the compatibility upgrades ensure the Raider X works with diverse configurations.
Smoother Magwells for Faster Reloads
Smoother magwells provide faster, more reliable magazine changes under pressure. The refined geometry guides magazines into place for competition-speed reloads.
Dual Magazine Release
Features dual mag release with upgraded fencing for ambidextrous operation and protection. The dual release accommodates both right- and left-handed shooters with enhanced durability.
Extended Rail Compatibility
Front frame reshaped to accept extended rails for increased length of pull. The extended rail capability enables customization of shooting position and improved stability.
P320, M17, and M18 Compatible
Engineered for the SIG Sauer P320, M17, and M18 family of pistols. The chassis system accommodates the full P320 platform for versatile application across duty, defensive, and competitive use.
Chassis System Only
**This is a chassis system only.** Firearm, slide, barrel, and magazines are not included and must be purchased separately. The Flux Defense Raider X P320 delivers next-evolution performance—SOF-tested reliability with comprehensive upgrades for the fight.
SPECIFICATIONS
- Manufacturer: Flux Defense
- Model: Raider X P320
- Color: Black
- Platform Compatibility: SIG Sauer P320, M17, M18
- Evolution: Next evolution of Flux Raider platform
- Development: Real-world feedback from SOF units and users
- Frame: Reinforced with Upgraded Single-Gate Mold
- Overtravel Stop: Yes (prevents magazine over-insertion)
- Ejection Spring Bolt: Molded-In Insert (improved reliability)
- Magazine Catch Spring: Stronger (positive magazine locks)
- Magazine Release: Dual with Upgraded Fencing
- Rail-Lock Spring: Increased Force (better accessory retention)
- Grip Top: Redesigned (better mag release and safety access)
- Front Frame: Reshaped (accepts extended rails for increased LOP)
- Magwell: Smoother (faster reloads)
- Grip Texture: Improved
- Finish: New Matte (reduced glare)
- Suppressor Cutout: Enlarged (short barrels, comps, cans)
- Bottom Picatinny Rail: Added Slot (more accessory options)
- Optic Rail: Adjusted and Slotted (improved fit with all optics)
- Slide Channel: Raised (better clearance with adjustable iron sights)
- Classification: Chassis System Only (Non-Firearm)
- Required (Not Included): SIG Sauer P320/M17/M18 firearm, slide, barrel, magazines
- Applications: PDW, Duty, Defense, Competition, Special Operations
| Manufacturer | FLUX DEFENSE |
| Pricing Unit | EA |
| Model | Raider X 320 |
| UPC | 850080943694 |
| SKU | 161-00001 |
| Weight | 1.4000 |



FFL Required