Tuning kit Weihrauch HW77/97 Export cal. 4.5 - AirJoe Premium

Product information "Tuning kit Weihrauch HW77/97 Export cal. 4.5 - AirJoe Premium"

Tuning kit Weihrauch HW77/97 Export cal. 4.5 - AirJoe Premium

This extensive PREMIUM tuning kit was developed together with the well-known English author and tuner Lyndon Lewington of ARC Tuning. The successful V-Mach tuning kit by Steve Pope served as a reference. The fully equipped kit is designed to increase precision without increasing the power. All components are carefully adapted to each other individually. First-class ARC piston springs are used, identical in construction to the V-Mach springs. A ARC Tuning piston seal, a piston inner sleeve, spacers, hinge pin and high-quality grease are included in the kit.

According to German law, the installation may only be carried out by a gunsmith. 

  • significantly smoother, improved shooting performance
  • high-quality processed kit to increase precision
  • extensive accessories
  • both guides precisely adapted to the ARC spring 
  • spring ends are lined up and deburred
  • Power: up to 16 joules

Scope of delivery:

  • 1 ARC piston spring
  • 1 rear spring guide made of Delrin/POM
  • 1 front spring guide (tophat) made of Delrin/POM
  • 2 Delrin/POM washers for fine tuning 
  • 3 steel washers for power regulation
  • 3 tins of 15g MoS2 AirJoe grease
  • 1 ARC tuning piston seal
  • 1 inner sleeve
  • brush, gloves


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March 31, 2023 05:22

Tuning Kit

Der Kit ist Top , hält was er verspricht, kann ich nur weiter empfehlen !