HW44 Moderator

For those considering purchase of an HW44-it seems the moderator IS NOT readily removable on these pistols if purchased from US vendors. This may not be an issue for those that need the sound suppression or who don't mind the extra length but it is something that I personally do not need or want. Apparently all HW44's had removable moderators initially but something changed (US laws?) and now the moderators DO NOT FEATURE REMOVABLE GRUB SCREWS. I've been told by various vendors that they are a "self shearing head" or "a pin" but in any event they are not "easily" removable. Beyond the fact that I did not need the sound suppression and did not want the extra length, I was concerned about bumping the end of the moderator and possibly shifting/loosening it and then not being able to remove/reset it.

European sources MAY have the pistol without the fixed moderator (I was told this is so by Krale) but haven't been able to order from them myself to verify.
 
I’ve only attempted some drilling with the bottom screw so mistakes wouldn’t be obvious. The top of the top screw looks like it is some sort of breakaway screw - like there was a head of shaft attached when it was screwed in but designed to shear off at a certain torque leaving the set screw permanently in place. Wouldn’t be surprised if there was some red thread lock used as well.
 
Hope it can be done. I went ahead and ordered an HW44 from AOA so I will be working to remove it after arrival. Even if I have to drill it out completely that will be OK since the shorter length is more important than the moderator for me but having it to use when desired would be nice as well.

You might try some heat with a soldering iron followed by a drop of water. I've used that method before on stubborn screws and it often works. If there is some type of high strength thread locker or even permanent epoxy that might break it loose as well. I did notice a Harbor Freight kit that had a 5/64 drill bit and screw extractor along with some other sizes. That might help you as well.
 
Good to know, glad you got it done easily. I have reverse twist bits ordered and I have several sets of screw extractors to use as well so hopefully mine will be that easy. Ordered from AOA, still no email about shipping. Should be able to get a good allen head screw in those spots to replace the ones removed but a cut groove could work as well.
 
Order through Krale! Cheap and fast delivery (when in stock)

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Im trying to get with Donnyfl to make a 3.5-4 inch moderator that screws Into the weihrauch moderator endcap.