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Posted: 2/8/2006 3:42:00 PM EDT
[#1]
Heat. Start with a propane torch. Heat the barrel nut slowly and evenly. Then try to twist it off. If not, heat more. If the propane torch is not enough heat, step up to a MAPP torch, but be careful. Remember, slow and even heat.
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Posted: 2/8/2006 4:37:11 PM EDT
[#2]
+1 Just be careful you don't sizzle your snizzle... In other words, wear leather work gloves, don't get burnt... 
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Posted: 2/8/2006 5:40:04 PM EDT
[#3]
Put the upper in the freezer for 3 or 4 hours.
 Make sure you use a receiver block to hold the upper. If you use bbl block's to hold the upper, the upper may roll over the index pin on the barrel and you will have a bitch to get off. Been their,done that.
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Posted: 2/8/2006 5:44:09 PM EDT
[#4]
Out of curiousity, what manufacturer is it? I have worked on most guns, and have found more than a few Armalites (not all) had barrel nuts that seemed to be stuck. When it broke free, it was easy, but like you said, they seemed frozen in place.
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Posted: 2/9/2006 12:56:08 AM EDT
[#5]
It is a Bushie. I have about 9 thousand rnds through it. Prbly contributed to the problem. Bill
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Posted: 2/9/2006 1:04:49 AM EDT
[#6]
First thing in heating it is to de-grease it with Brake Clean unless you want a flaming upper, also you need to have a barrel vise since it will burn a plastic upper vice clamp.
Welding gloves and a good barrel wrench does help out as well. |
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