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12/1/2016 8:32:46 AM
Basic
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  • Jan 2001
  • USA CA, USA
Basic
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Posted: 12/13/2011 9:35:58 AM EST
Does anyone know the inside diameter of a 13 inch troy alpha rail? I have a project in mind but need to know the ID to see if that rail will work. Thanks much.
Basic
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  • Jul 2004
  • USA GA, USA
Basic
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Posted: 12/14/2011 2:15:29 AM EST
[Last Edit: 12/14/2011 2:31:09 AM EST by jmarkma]
1.385"

If you add any rails the ID will be reduced due to to the bar that the rails thread onto.

ETA: Mine has the front sight though I don't think that makes a difference.
Basic
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  • Jan 2001
  • USA CA, USA
Basic
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Posted: 12/14/2011 7:14:31 AM EST
Thank you for the info. Looks like everything should fit.
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