If the goal is to turn the T4E platform into something more stable and controlled, this is one of the upgrades that delivers an immediate difference. The Umarex T4E Carbine Conversion Kit is designed to elevate both HDR 50 and TR 50, improving ergonomics, recoil management, and overall handling without adding complexity.

The polymer construction keeps weight low while maintaining solid structural integrity. The folding stock allows a quick transition between compact and extended configurations. With a layout built around top Picatinny rails and M-LOK slots, the platform is ready for a clean, functional setup suitable for training and advanced recreational use.

• Technical specifications
  • Brand: Umarex T4E
  • Model: Carbine Conversion Kit
  • Item number: 2.4060
  • Compatibility: HDR 50 and TR 50 (same platform with different certifications)
  • Material: high-strength polymer
  • Color: black
  • Overall length: approx. 685 mm
  • Weight: approx. 525 g
  • Folding stock for compact transport
  • Picatinny top rail for optics and accessories
  • M-LOK slots for modular attachments
  • QD sling attachment points
  • Front accessory compatibility
• Package contents
  • Umarex T4E carbine conversion kit
• How to use it
  • Insert the HDR 50 or TR 50 into the dedicated housing until fully seated.
  • Ensure the system is stable and properly locked before use.
  • Adjust the folding stock to achieve a natural shooting position.
  • Mount accessories only if compatible with Picatinny or M-LOK standards.
  • Check that front accessories do not interfere with alignment or function.
  • Clean with a soft cloth and store in a dry environment.
• Safety notes
  • Use only with compatible Umarex T4E HDR 50 and TR 50 platforms.
  • Do not modify or tamper with structure, rails, stock, or mounting interfaces.
  • Avoid impacts, drops, and excessive stress.
  • Always verify correct installation before use.
  • Not intended for minors. Adult use recommended.
  • This is not a toy.

A strong upgrade choice for users looking to turn their HDR 50 or TR 50 into a more stable, controllable, and professional-feeling platform.