Compression Shock and
Suspension System

The Ultimate Suspension Upgrade: Shaft Adjustable Compression!

Compression Shock and Suspension System


The 2.5” Shaft Adjust offers increased shock life cycle, reduction of operator fatigue and significantly less strain on vehicle components:

  • Largest range of adjustability and performance in the market
  • More durable, 3X greater life cycle than
    the competition
  • 100% serviceable and re-buildable
  • Designed and tested to operate in extreme terrain conditions
  • Individually Dyno Tested and Serialized
    for full traceability
  • 1 year limited warranty
  • Designed and made entirely in the USA!

MSI Defense has raised the bar once again with the 2.5” Shaft Adjustable Compression Shock. Based on feedback from endurance testing with U.S. Special Forces combined with MSI’s NASCAR technology the next generation of LTATV shocks was born. Operators can now attack their mission at the next level of performance and durability from the desert and rocks to sand and snow.

Black Series Defense Suspension


  • 2.5” Shock Body
  • 2.5” Piggyback Reservoir
  • Threaded Preload Collar
  • Shaft Adjustable Compression
    (70 positions)
  • Hard Anodized Components

RPAMS can answer any request for special modifications,
including semi-active capability.

For more information
please contact:
Terry Wilmeth, Nick Mooers or