ALPHA FOXTROT - S15 & ROMULUS 3.5" BARREL 9mm

DPM Mechanical Recoil Reduction System for ALPHA FOXTROT - S15 & ROMULUS 3.5" BARREL 9mm

The OEM spring plug must always be installed with the DPM system.  

Within the kit are included 3 sets of 2 pieces external springs. 

1.0mm Wire diameter (extra soft) 

1.05mm Wire diameter (soft)

1.15mm Wire diameter (standard) 

**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.** 

Spring Force (measured in pounds) 

Slide in battery:

1.0mm Wire Diameter: 

• Short Gray spring: 7.27 lb
• Long Bronze spring: 7.7 lb

1.05mm Wire Diameter: 

• Short Black spring: 7.9 lb
• Long Black spring:  8.4 lb  

1.15mm Wire Diameter: 

• Short Gold Spring: 8.15 lb
• Long Silver Spring: 8.6 lb

Total force (Slide at full open position) approx. :

With any 1.0mm: 13.2 lb

With any 1.05mm: 16.5 lb

With any 1.15 mm: 18.7 lb

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

Lifetime Warranty. 

For changes to features, like comp set-up, threaded barrels, slide conversions etc., contact us via email at [email protected] before placing your order. In some cases, we need to determine whether a custom product is required.

Millions of our patented products are in service to military, law enforcement, sports and civilian firearms around the world.

Made in Greece – EU.