All the benefits of a standard TbT kit, but custom fitted to the supplied genuine Weihrauch export power Spring. This spring supplied is the FULL POWER EXPORT SPRING, it is HUGE! You will need a spring compressor to fit it in if you use the full length. It will also be EXTREMELY  powerful! If your country has power limits it is likely you will need to reduce the spring to meet them

Kit comprises of spring with fitted delrin spring guide with a top hat, slip washer and 2 preload washers. This kit also comes with Lithium based Molybdenum Disulphide grease and abrasive paper as well as instructions for fitting kit and piston sleeve.

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

Available from stock