Originally Posted by
rathos
I have heard this before, but I was told by Griffin you only need to do this if the suppressor doesn't have concentricity to the bore. Personally I think I would take off the crush washers because I would rather not risk it. Huxwrx had an initial response that said they didn't test it and it should be ok, but they didn't answer if it would still be under warranty if anything happened as they aren't exactly called out as ok in their instructions. I asked for a more concrete response so we will see how long that takes.