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Rifles, Reloading, Optics, Equipment
Gunsmithing
700 Barrel Removal at Standstill
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<blockquote data-quote="ntsqd" data-source="post: 2130882" data-attributes="member: 93138"><p>Kroil is good. PB Blaster is good, maybe better by a small difference. Best that I've ever used was GM Goodwrench Heat Valve Lubricant & Penetrating oil. Don't waste your time, sadly it's NLA. The homebrew acetone & ATF blend making the rounds on lots of different forums intrigues me. Some ultra-fine graphite dust suspended in it should make it pretty darned good.</p><p></p><p>That SS barrel looks like classic SS thread galling. How were the mating threads?</p><p></p><p>If hitting the wrench isn't popping it loose I'll guess that you're either not hitting sharp enough or your set-up is too flexible. Possibly both. The sharper the impulse on the wrench, the better it will work. Note that this isn't the same as hitting it hard. Hit it <strong>fast</strong> with the heaviest hammer that you can swing accurately. With a wrench that is driving wrench flats or action ways it also needs to be pre-tensioned in the direction of the hit to take all of the slop out of the system.</p><p>If you're sure that neither of these is the problem, then I also think that you're looking at heat or machining the recoil lug. Good opportunity to upgrade the lug anyway....</p></blockquote><p></p>
[QUOTE="ntsqd, post: 2130882, member: 93138"] Kroil is good. PB Blaster is good, maybe better by a small difference. Best that I've ever used was GM Goodwrench Heat Valve Lubricant & Penetrating oil. Don't waste your time, sadly it's NLA. The homebrew acetone & ATF blend making the rounds on lots of different forums intrigues me. Some ultra-fine graphite dust suspended in it should make it pretty darned good. That SS barrel looks like classic SS thread galling. How were the mating threads? If hitting the wrench isn't popping it loose I'll guess that you're either not hitting sharp enough or your set-up is too flexible. Possibly both. The sharper the impulse on the wrench, the better it will work. Note that this isn't the same as hitting it hard. Hit it [B]fast[/B] with the heaviest hammer that you can swing accurately. With a wrench that is driving wrench flats or action ways it also needs to be pre-tensioned in the direction of the hit to take all of the slop out of the system. If you're sure that neither of these is the problem, then I also think that you're looking at heat or machining the recoil lug. Good opportunity to upgrade the lug anyway.... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
700 Barrel Removal at Standstill
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