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Old 05-14-2019, 04:02 PM
commando552 commando552 is offline
Join Date: Jan 2012
Location: England
Posts: 527

They are a real thing. A few years ago there was a fad of companies selling thread adapters that allowed you to thread an oil filter onto a muzzle. The ATF obviously had a problem with this as they were not selling them as "suppressors" but were instead trying selling them as "solvent traps" for collecting excess oil after cleaning your gun. The absurdity of this reason didn't hold water for long and the ATF deemed the adapter to be a "suppressor" so most of them went away. I think that a few people do still make them as registered suppressors with the idea being that they are cheaper and the only registered part will last forever and the unregistered oil filters can be infinitely replaced. As for effectiveness, they will obviously not be as good as a real one but from what I have heard they do work fairly well.
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