DPM MRS for Shadow Systems MR920 Elite 9mm Open Version

This DPM System works with 3 different buffer recoil springs which each one offers different spring force (Forces are listed at the end of the description).

The kit includes 3 different in length external springs, 3 buffer springs and 1 self-lock spring plug.

The installation of the New Version remains the same as the older one, the user has to assemble the mechanism and select the combination of his/hers choice.

IMPORTANT:

The Self-lock spring plug must always be installed when the DPM kit is used. 

Power Rates

Slide on the battery (idle position)

• External Spring 1: 3.7 kgs / 8 lbs
• External Spring 2 : 4 kgs / 9 lbs
• External Spring 3: 4.4 kgs / 10 lbs

Slide full open position 

• Buffer Spring 1: 8 kgs / 17 lbs (approx.)
• Buffer Spring 2: 9 kgs / 20 lbs (approx.)
• Buffer Spring 3:  10 kgs / 22 lbs (approx.) 

For super soft ammo, comps and similar modifications, the user must not install any buffer spring.

In this case the system will offer in full open position 5.5 kgs / 12 lbs total power.

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