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I found that the #48 drill bit (.0760) works the best. It must be the drill Leupold uses to pre drill the hole already there. It's a tight fit when inserting in the pre drilled hole on the CDS knob. I just drill deeper and cut the pins from a drill rod. No need to use grease or glue, just tap it in with a punch (snug fit). I must of lucked out on where the pre drill holes on all of my CDS scope (27 of them) the hole are at the second hash mark off zero, When the pin is installed its at zero and when turned all the way up to where it stops, it's 4 marks off before zero. If need to remove just use a fine needle nose to remove the pin. I did this with my first CDS when they first came out, I drilled all of them same depth and made up a piles of pins from drill rod. I have 10 of the Cabelas specials waiting at the Hamburg PA store for me to pickup, so I don't know if those CDS knobs are drilled at the same place as my other 27 where.
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I found that the #48 drill bit (.0760) works the best. It must be the drill Leupold uses to pre drill the hole already there. It's a tight fit when inserting in the pre drilled hole on the CDS knob. I just drill deeper and cut the pins from a drill rod. No need to use grease or glue, just tap it in with a punch (snug fit). I must of lucked out on where the pre drill holes on all of my CDS scope (27 of them) the hole are at the second hash mark off zero, When the pin is installed its at zero and when turned all the way up to where it stops, it's 4 marks off before zero. If need to remove just use a fine needle nose to remove the pin. I did this with my first CDS when they first came out, I drilled all of them same depth and made up a piles of pins from drill rod. I have 10 of the Cabelas specials waiting at the Hamburg PA store for me to pickup, so I don't know if those CDS knobs are drilled at the same place as my other 27 where. Got any pics? Sounds good.
It is irrelevant what you think. What matters is the TRUTH.
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I cant post pics from my pc, if you can post I'll send to you
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tagging to bump up my post count
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I found that the #48 drill bit (.0760) works the best. It must be the drill Leupold uses to pre drill the hole already there. It's a tight fit when inserting in the pre drilled hole on the CDS knob. I just drill deeper and cut the pins from a drill rod. No need to use grease or glue, just tap it in with a punch (snug fit). I must of lucked out on where the pre drill holes on all of my CDS scope (27 of them) the hole are at the second hash mark off zero, When the pin is installed its at zero and when turned all the way up to where it stops, it's 4 marks off before zero. If need to remove just use a fine needle nose to remove the pin. I did this with my first CDS when they first came out, I drilled all of them same depth and made up a piles of pins from drill rod. I have 10 of the Cabelas specials waiting at the Hamburg PA store for me to pickup, so I don't know if those CDS knobs are drilled at the same place as my other 27 where. Send me the pics and I'll post them...
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Time to go hunting!
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Tag just built 10 yesterday
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Might have to give this a shot.
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Might have to give this a shot. I would bet that yours will be drilled where is should be to stop on zero. I used drill rod as all the CDS scopes I have (37) would take two ball bearing in the pre drilled hole and went past zero before it stopped
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It is irrelevant what you think. What matters is the TRUTH.
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I'm curious what Leupold uses for the zero stop. Anyone with a factory equipped zero stop dial care to take a look and post up a pic?
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#48 drill rod or you can use a #48 drill and cut .165 off the shank end for the pin
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If I have time, I'll look tomorrow and find out.
What do you do with 40 cds scopes?
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I found on my CDS scopes that when using ball bearing the cap didn't stop on Zero, with the drill rod it dead stops at zero.
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If I have time, I'll look tomorrow and find out.
What do you do with 40 cds scopes? 27 CDS scopes go on 27 rifles, other 10 are for X-Mas gifts plus I have 88 other Leupold on rifles and 33 Nightforces on rifles not counting Nikon's, Sightron's, Schmidt & Bender's, Swarovski's, Zeiss, Pentax's, Redfield the list goes on all on rifles
Last edited by gemby58; 03/25/15.
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Quite the pile of rifles.
Checked out my scope today, the hole doesn't line up with zero. I'll have to pick up a bit, the set I have doesn't go that small.
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Quite the pile of rifles.
Checked out my scope today, the hole doesn't line up with zero. I'll have to pick up a bit, the set I have doesn't go that small. thanks, that not even a forth of the rifles I got. The hole wont line with Zero, if it did then with the rod installed it wont stop on zero, it has to be before zero for it to line up on zero, should be between the 59th mark and zero on the dial. So if you need to drill yours do it right between the 59th mark and zero.
Last edited by gemby58; 03/26/15.
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Got it,
The factory hole is 180° from zero.
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