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Overview
The CAOS 2 Stainless Slide is a billet 17-4 stainless upgrade for the FN Five-seveN® USG/MK2. Revealed at SHOT Show 2025 and NRA 2025, it replaces the factory polymer-covered assembly with a true all-steel slide built for strength, clean cycling, and a premium finish.
Key Features
- All-steel design: eliminates the polymer slide cover
- Material: billet 17-4 stainless steel
- Optics-ready: machined for modern pistol red dots
- Sight pattern: accepts Glock®-compatible sights
- Precision fit: tight tolerances for consistent cycling
- Finish: clean stainless aesthetic with a premium look
Compatibility
- FN Five-seveN® USG
- FN Five-seveN® MK2
Status & Availability
Pre-production. Pricing and release date will be announced. Specifications are subject to change prior to final production. Use the “Notify Me” field to receive updates.
Also see: Fastback Stainless Slide for FN Five-seveN® MRD/MK3
