The FX Wildcat, FX Royale 400 1/2 x 20 UNF Adaptor
This adaptor allows you to connect any standard 1/2 x 20 UNF moderator to your barrel shroud.
This item comes with self tightening tools (no other tools required).
Fits to 177, 22, 25 and 30 caliber.
Threads size & pitch: M20 X 1
Outer diameter: 28mm
bob.thomas744 (verified owner) –
Bought one of these for my Wildcat , top quality engineering , have been in engineering for over 45 years and would recommend this product for anyone wanting to fit a silencer to the wildcat shroud