- This 1/2 x 20 UNF adaptor allows you to connect any standard 1/2 x 20 UNF moderator to your rifle shroud.
- Fits to: Brocock Compatto, Benjamin Marauder Pistol (Prod)
- Fits calibers 177, 22, 25 and 30.
- The adaptor comes with self tightening tools (no other tools are required) and a thread protector.
Threads size: 11/16-24 (WHITWORTH G24)
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