Spiritus Systems Fat Strap Mk4

Spiritus Systems Fat Strap MK4

Streamlined Support for Micro Fight & 34A Chest Rig Systems

The Fat Strap MK4 is a universal H-harness built for enhanced stability, comfort, and modularity. Designed to integrate seamlessly with the Micro Fight Chassis, 34A Split Chest Rig, and Thing 3 Expansion Chassis, this updated model delivers maximum adaptability in a low-profile form factor.

Key Features

• Reduced Profile, Enhanced Functionality

  • Updated Squadron overlay adds more horizontal mounting points for PTTs, cables, or accessories.

  • Integrated shock cord holes allow for flexible routing or external gear attachment.

• Back Panel Loop Field

  • Ideal for name tapes, IR markers, or other identification tags.

• Universal Compatibility

  • Designed to work with:

  
  

  • Micro Fight Chassis

  • 34A Split Chest Rig

  • Thing 3 Expansion Chassis

  
  

• Single-Piece Harness

  • Only one Fat Strap MK4 is required to complete your setup—no need to order a pair.

• Minimalist & Comfortable

  • Wide, padded straps offer comfort for extended use without excessive bulk.

• Note: This listing is for the Fat Strap MK4 only.Chassis, Back Strap, magazine inserts, and other accessories are sold separately.