Weihrauch HW80 MAXI PRO Tuning Kit

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

This kit may increase power, chrono required! It is usual for the spring to require shortening to stay within UK limits. Fortunately this is quick and easy. Full instructions on spring shortening available in “Instructions”

Available from stock