Brake cleaner will work. works on errything else
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That soumds like a plan. I'm certain I have new tubes and castle nuts and fixing plates in my parts tub 10 feet to my left but I'm too lazy to go dig through it to find them.In all seriousness, why you trying to take apart? Just playing around or do you need new tube?? If it’s not broke don’t fix. F it. Screw the castle but back on and post lower on here for double price. Someone will take it.
These were my thoughts as I discovered the "ingenuity" of Mr. William Roberts. It's never occurred to me to put thread locker on a buffer tube.Don't use a use a blow torch. Use a heat gun and concentrate all the heat evenly around the area it was used in. It will slip right on off then. Had to do 100 times on barrel nuts and buffer tubes. I don't know why people do that on buffer tubes. The backing plate has that oval indentation to stop rotation anyway. The little locating tab on the backing plate that fits into the buffer tube slot is use to line up the backing plate is part of the anti-rotartion system. It keeps the backing plate in place and the backing plate keeps the buffer tube from rotating. Locktite is just overkill and takes away the ease of modularity at that.
A little locktite to bed a loose barrel extension is ok but no on the threads and not on the buffer system. They have a mil spec grease for the barrel nut for torque purposes.