
DPM Mechanical Recoil Reduction System for FN Herstal FNP-FNS-FNX – 4" Barrel (9mm/.40S&W)
Tame Your Recoil. Enhance Your Accuracy. Own Every Shot.
Upgrade your FN Herstal pistol's performance with the DPM Mechanical Recoil Reduction System, purpose-built for the FNP, FNS, and FNX 4" barrel models. Whether you're on the range, in the field, or carrying for duty, this drop-in upgrade significantly reduces felt recoil, enhances control, and protects your firearm’s internals ‚Äî all without permanent modifications.
üîß Precision-Engineered Multi-Spring System
At the core of the system is a 3-spring, intricately designed recoil rod that delivers progressive resistance during the slide cycle. A third inner spring functions like a hydraulic buffer, slowing the slide before it hits the frame — minimizing wear and softening felt recoil.
Included are two external springs (short and long), allowing you to fine-tune the setup based on your preferred ammunition, slide weight, and shooting style.
⚙️ Power Ratings
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Slide on Battery (Idle Position):
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Short Spring: 9 lbs
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Long Spring: 11 lbs
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Slide Fully Open (Full Rear Travel):
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Total Force: ~23 lbs
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‚úÖ Key Benefits
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‚ö° Faster, more accurate follow-up shots
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üéØ Improved sight recovery and target reacquisition
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üîß Customizable spring setup for personal tuning
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üõ°Ô∏è Enhanced slide/frame longevity
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üß© Direct replacement ‚Äî no gunsmithing required
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üö´ Eliminates common slide jams and cycle failures
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üîÑ Ideal for factory or upgraded configurations
üîí Compatibility
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FN Herstal FNP – 4.0" barrel
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FN Herstal FNS – 4.0" barrel
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FN Herstal FNX – 4.0" barrel
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9mm & .40 S&W calibers
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