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Old March 3, 2011, 02:43 AM   #1
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HELP - AMRS AR Scope mount

If you have a A1/A2 (carry handle) AR scope mount like mine, perhaps you know how the "unique self-locking thumbnut" is supposed to work. My mount came with no instructions and I don't have a clue how I'm supposed to get the nut tight enough to maintain zero. Should I make-up a mini strap wrench, replace it with a hex nut and lock washer or what?
zippy13 is offline  
Old March 3, 2011, 02:47 AM   #2
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Just get it as tight as you can with your fingers. It will not loosen.

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Old March 3, 2011, 03:18 AM   #3
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Finger tight and then maybe use a paint pen to give you witness marks so you can return it to about the same place if you remove it. (Never used a carry handle mount but that's what I've always done with my ACOGs)
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a.r.m.s. , ar-15 , mount , thumbnut

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