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4/1/2020 4:14:10 PM
4/1/2020 6:58:51 AM
Posted: 11/18/2008 5:57:37 PM EDT
I have a Leupold Mk4 3.5-10x40 with M3 turrents.  I was trying to get the optic zero'd today and I was having a bit of trouble finding the right allen wrench size for the screws in the turrent.  I got the optic with no wrench.


So, anyone know which it is?  I keep thinking that it is the 1/16 size, but it doesn't seem to grab all that well.  Should I have Leupold send me another one?


Thanks to anyone that can help!


–– John
Link Posted: 11/18/2008 6:37:01 PM EDT
Don't have that exact model––mine is Mk!V 3-9X40mm.  The wrench that was supplied with it measures 0.050" across the flats.  My Machinery Handbook suggests that this is one size smaller than a 1/16 hex.  Hope this helps.
Link Posted: 11/18/2008 6:46:03 PM EDT
Mine should be the same, then.  Thanks!

Rats.  I don't have that one in any of my sets.  I may give Leupold a call.


Thanks again!


–– John
Link Posted: 11/18/2008 7:00:02 PM EDT
It appears to be a standard English size––an Ace Hardware could probably help you out for a couple of $$.
Link Posted: 11/18/2008 9:50:23 PM EDT
The wrench that came with my Mark 4 MR/T is a 3/32".
Link Posted: 11/19/2008 3:27:30 AM EDT
Thanks guys.  3/32 it is!


–– John
Link Posted: 11/19/2008 3:41:31 PM EDT
I called Leupold just now.  The set screws are 1/16".  Mine are stripped and that is why it won't grab.


–– John
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