Weihrauch HW80 MAXI PRO Tuning Kit

The “One Box Solution” to get the maximum performance at sub 12 ft-lb from our TbT mid/reduced power spring with fitted guides, short stroke extension (12 or 15mm, choose below), pot of Bum-Slide high moly paste, instructions and sticker all included.

Buyers guide here:

This kit may increase power, chrono required! Full instructions on spring shortening available in “Instructions”