The Flux Raider X is a premium P320 chassis system — stronger, lighter, and faster than ever, with over a dozen enhancements for durability, ergonomics, and compatibility. Not a firearm. Upgrade your P320 to a proven PDW chassis trusted by professionals.
The 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.
Key Improvements on the Raider X
- Reliability & Durability
- Overtravel stop prevents over-insertion of magazines
- Reinforced frame with upgraded single-gate mold (stronger, fewer weak points)
- Molded-in insert for the ejection spring bolt for better reliability
- Stronger mag catch spring for positive magazine locks
- Upgraded fencing around the dual mag release
- Increased rail-lock spring force
Ergonomics & Usability
- Redesigned grip top for better access to mag release and safety
- Front frame reshaped to accept extended rails for increased LOP
- Smoother magwells for faster reloads
- Improved grip texture
- New matte finish reduces glare
Compatibility Upgrades
- Enlarged suppressor cutout for shorter barrels, comps, or cans
- Added slot to bottom Picatinny rail for more accessory 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
Compatibility
- Compatible with SIG M17/18 and P320 (9mm, .40 S&W, .357 SIG)
- NOT compatible with: P320 XTEN, .45 ACP variants, suppressor-height iron sights, or 15-round magazines
- M17/18 manual safeties must be removed and replaced with an OEM pin (simple mod)
- Safety mechanism may not work with all aftermarket or adjustable triggers — verify before use
- To use with P320 carry, compact, or subcompact slides, you must run a comp, threaded barrel, or suppressor — failure to do so may cause injury
- Model:
- P320
- Make:
- Sig Sauer
- Make/Model:
- Sig Sauer|P320
- Requires FFL:
- False
- Drop Ship Days:
- 0
- Clearance Flag:
- 0
- Ammo Flag:
- False
- Hazardous Mat Flag:
- False
- FFL Flag:
- 0
- Drop Ship FLag:
- False
- Availability:
- in-stock
