Product Overview
DPM Adjustable Mechanical Recoil Reduction System for FN 509 3.7" Compact & 4" Midsize
The DPM Recoil Rod for the FN 509 Compact & Midsize Tactical models is a direct replacement for the stock recoil rod and does not change the configuration of the pistol.
This high-end tech system works due to the multi-spring intricate rod (2 springs) in combination with the 4 external springs that work as buffer, and controls the functionality of the pistol.
The system includes 4 external springs, 2 x 1.0 mm wire diameter and 2 x 1.15mm wire diameter, all with different Power Rates:.
The soft springs are designed to serve threaded barrels and compensator modifications.
Power Rates:
Slide on the battery:
Soft Springs 1.0mm
- Short: 9lbs
- Long: 10lbs
Heavy Springs 1.15mm
- Short: 10lbs
- Long: 11lbs
Slide full open position (approx.):
Soft Springs
- Short: 16lbs
- Long: 17lbs
Heavy Springs
- Short: 18lbs
- Long: 20lbs
Overall Advantages:
- Faster follow up shots
- Improved firing speed
- Slide and Frame Protection
- Elimination of jams
- Significant recoil reduction
- Better double-tap concentration
- Better control and greater accuracy
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