About the Bul Armory SAS II ULTRA LIGHT 3.25” BARREL by DPM Systems:
The DPM Mechanical Recoil Reduction System is a direct replacement for the stock recoil rod and does not change the configuration of the pistol.
The system must be used with the OEM plug.
Will Fit: BUL ARMORY SAS II ULTRA LIGHT 3.25” BARREL
The cut coil of the spring must be placed against the plug.
The 2 soft springs have wire diameter 1.05mm and the 2 heavier have wire diameter 1.15mm.
**As we lead the evolution of recoil reduction technology, products may change versions (new design with different springs, with or without plugs, washers, etc.) without any prior notice.**
Power Rates
Slide on the battery (idle position)
- Gold Short Spring (1.05mm): 6.8 lbs
- Silver Long Spring (1.05mm): 7.7 lbs
- Gold Short Spring (1.15mm): 7.0 lbs
- Silver Long Spring (1.15mm): 8.0 lbs
Total force (Slide full open position) approx. 15.4 lbs
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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