Description
Specifications:
Manufacturer :Steyr
Compatibility :”Steyr Challenge (and Challenge Hunting/HFT), Hunting 5, and PRO X Air Rifles.”
Barrel Diameter :Designed for Steyr barrels with a 16.0 mm diameter.
Adapter Thread :1/2′′ UNF Male (The standard thread for most UK/European air rifle silencers and moderators).
Attachment :”Grub Screw Retainer: The adapter slides over the barrel and is secured tightly by grub screws, ensuring a stable, non-slip fit without permanent modification.”

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