Will fit to HW97 HW97k rifle moderator
will not fit to Weihrauch add on suppressor
The Weihrauch 1/2 x 20 UNF adaptor allows you to connect any standard 1/2 x 20 UNF moderator to your rifle shroud.
Comes with thread protector.
This adaptor comes with self tightening tools (no other tools required).
Fits 177, 22, 25 and 30 caliber.
Threads size & pitch: M22 X 1
Outer diameter: 23.80mm