Description
Breech seal washer to fit Weihrauch and Beeman rifles HW90, RX1, RX-1, HW90k and all other variations of the HW 90 k.
Suitable for the following calibres: .22 (5.5mm) .177 (4.5mm) .20 (5.0mm)
A worn or damaged seal can cause loss of power and is an easy part to replace.
Just pull the old one out from the end of the barrel and place the new one in.