Description
Get the most out of your Weihrauch HW77 with a Black Knight Tuning Kit.
Kit Includes:
Fixed Delrin spring guide
Delrin Top hat
2 x Delrin Power washers.
1 x Brass preload washer.
Abrasive paper as well as instructions for fitting
The standard kit is to fit a 14mm internal diameter spring.
Please note: You will need a chronograph to ensure you stay within power limits.
Fitting Service also available.
