Quote Originally Posted by T 20 View Post
Well in simple terms, Rob.

A length of 30mm OD X 25mm ID tube is fixed and sealed into the HW80 compression chamber.

Then a custom piston, or Walther LGV/LGU, or a TX piston can be used in the new cylinder.

The cocking shoe will probably have to be altered if using the Walther or TX piston and the top sear in the trigger will have to be altered to suit, or the Weihrauch back block can be altered to accept the TX CD trigger unit.



All the best Mick

Thanks for the information