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Old 07-20-2010, 12:49 AM
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MKT MKT is offline
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I can't see the torque spec being higher than that 30-80 ft pounds a regular AR takes. Barrel clamps for the vise may not work either as the barrel may spin, you'll probably need a receiver block to get a solid hold. Use a proper barrel nut wrench with a breaker bar and you can loosen the barrel nut in a matter of seconds. I get my barrel nuts to time by using the 30/30/50 method - tighten to 30 foot pounds, loosen and retighten to 30 again, loosen and tighten to 50 foot pounds and the barrel nut should just about time up perfectly. Be sure to use some grease on the barrel nut threads during reassembly.
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