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Questions & Answers
Will this fit on Springfield Armory Ronin 1911 (MM 3.6 barrel? Thank you.

Hello Jun, as fas as we know the Ronin is 3" long not 3.6" and the compatible system is the SKU: 1000204. If your pistol is modified kindly contact us directly for custom solution. Thank you

by DPM Systems, Verified Owner, November 20, 2025
Will this fit on a Springfield Ronin 9MM 3.1 inch barrel? Thank you.

Hello Jun, as fas as we know the Ronin is 3" long not 3.1" and the compatible system is the SKU: 1000204. If your pistol is modified kindly contact us directly for custom solution. Thank you

by DPM Systems, Verified Owner, November 21, 2025
Customer Reviews
Most Recent Reviews
Upgrade to one favorite toy by Mikey, Verified Owner, April 11, 2026
I had a issue with another manufacturers part ( very popular with 1911’s ) . Purchased DPM product from Optic Planet before with great results. This DPM SYSTEM didn’t disappoint, it works perfectly and solved my issues !
Most Recent Reviews
I think will be worth it in long run by Brush Ape, Verified Owner, September 20, 2025
I purchased on sale so price was very good, semi skeptical but like the theory of multiple springs for controlling recoil. Ran full springs in all standard 5” barrel 1911’s, bought an officer model and felt the recoil was drastically snappy compared ...
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Read All 2 Reviews

Product Discontinued by Manufacturer

DPM Colt MK IV 80 Officer .45 ACP Mechanical Recoil Reduction System has been discontinued by DPM and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, Pistol Parts, Pistol Slides & Slide Parts yourself to try and find the perfect replacement for you!

Product Info for DPM Colt MK IV 80 Officer .45 ACP Mechanical Recoil Reduction System

This system works due to the multi spring intricate rod (3 springs) and controls the functionality of the pistol. The third spring which is contained within the rod controls the movement of the slide so it never rams on the frame.image

The system includes 1 spring plug and 3 different external springs. The spring plug must always be installed when the DPM Recoil Rod and springs are used.

The external springs are different in length, the long spring is heavy and the short is light so the shooter can fine tune the pistol on the opening and locking positions (slide on the battery).

Features of DPM Colt MK IV 80 Officer .45 ACP Mechanical Recoil Reduction System

  • 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.

Package Contents:

  • DPM Colt MK IV 80 Officer .45 ACP Mechanical Recoil Reduction System

.45 ACP Ammo

149 / 49
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DPM Colt MK IV 80 Officer .45 ACP Mechanical Recoil Reduction System Unavailable & Discontinued Models

List of Unorderable Models

  • DPM Colt MK IV 80 Officer .45 ACP Mechanical Recoil Reduction System, Stainless, MS 1911 MK IV , MPN: MS-1911/MK IV , UPC: 5213007221117 , Code: 3K0-FGR-RSC19114-MS-1911-MK-IV
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Last updated 2026-09-10 UTC.