The buying, selling, trading, or gifting of a standalone airgun moderator is prohibited in the Classified section. An airgun moderator may be included in your ad ONLY if it is "affixed" to the airgun. Please review the updated Classified Rules and Known Scammers List before engaging in ANY transaction.
My HW75 turned out to be 11mm rail and the Weihrauch site states 11mm. Many are 13mm, I believe W must have changed it from 13mm in the last year or so. Now if anyone needs a 13mm adapter I have one unused for sale.