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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Do you bed your barrel extention?
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<blockquote data-quote="357Max" data-source="post: 1560293" data-attributes="member: 108866"><p>Old thread, but good question.</p><p></p><p>If extension is a tight fit I would just use a little graphite anti seize.</p><p></p><p>The last one I built using quality parts had a very loose barrel extension to upper fit (VLTOR upper - Faxon barrel).</p><p>I used Loctite 620 with loctite SF7649 primer combined with .001 SS shim stock wrapped about 120 degrees around top side of extension.</p><p>The 620 is high temp up to 450 deg. F vs. 300 deg for the 648 & 680.</p><p>The 620 fills up to a .015 void like the 680.</p></blockquote><p></p>
[QUOTE="357Max, post: 1560293, member: 108866"] Old thread, but good question. If extension is a tight fit I would just use a little graphite anti seize. The last one I built using quality parts had a very loose barrel extension to upper fit (VLTOR upper - Faxon barrel). I used Loctite 620 with loctite SF7649 primer combined with .001 SS shim stock wrapped about 120 degrees around top side of extension. The 620 is high temp up to 450 deg. F vs. 300 deg for the 648 & 680. The 620 fills up to a .015 void like the 680. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Do you bed your barrel extention?
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