Will work only with FX IMPACT / crown telescopic shroud or any other FX shroud which does not need to grab and hold the barrel.
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, 30 caliber.
More information:
Threads size & pitch: M27 X 1.5
Outer diameter: 28mm
Male