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Kurt_701
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Rear Irsis threads
Aug 31st, 2007 at 10:57pm
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Does anyone know the threads dimensions of a Winchester 38A rear aperature?  It appears to be a 10- something but my count doesn't fit my screw checker. I would like to have a Hadley eye cup for a Winchester vernier tang sight.  Are they standardized?  I would also like to know the dimensions for a Steven's 104 rear tang. Thanks
  
M-14 3rd Battalion 27th Marines RVN 68'69'
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Singleshotlover
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Re: Rear Irsis threads
Reply #1 - Sep 1st, 2007 at 1:20am
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Lyman, redfield, williams all use a 7/32x40 thread on their eyepieces. Same for the merit. Some of the target sights use a metric thread which is somewhat larger than the above 7/32x40 thread, but there are adaptors that will allow you to use the standard thread. Try manhattan supply co for a 7/32x40 die and tap set if you plan on making your own eyepieces. Hope this helps, regards Frank
  
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Re: Rear Irsis threads
Reply #2 - Sep 2nd, 2007 at 7:33am
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If It's a MVA Hadley they will make custom threads

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