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My IOR 3-18x42mm

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Unread 05-16-2007, 09:25 PM
Platinum Member
Join Date: Jul 2005
Posts: 1,651
Re: My IOR 3-18x42mm

GSSP, good looking rig. The scope does look nice. What kind of bullets are you using with the 30-06 AI and what velocities are you getting with them.

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Unread 05-16-2007, 10:36 PM
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Join Date: Apr 2005
Location: Alaska
Posts: 4,895
Re: My IOR 3-18x42mm

The mil hash-mark retical in this scope is one mil with the power set at 10x. On 18x, the distance between 1/2 mil hash marks at 100 yards is 1 inch. 2" between the 1 mil hash lines at 100 yds @18 power. I like these nice even whole numbers when operating on 18 power. I have two of these 3-18x42mm scopes and when set on 18 power, one mil spans exactly 6 inches at 300 yards.
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Unread 05-16-2007, 11:24 PM
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Join Date: May 2001
Location: Casper Wy
Posts: 1,388
Re: My IOR 3-18x42mm

Good info thanks phorwath!!
Looks like the 3-18s will work out great for my intended use.
"Make everything as simple as possible, but not simpler." -Albert Einstein (1879-1955)
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Unread 05-17-2007, 06:10 AM
Junior Member
Join Date: Jan 2005
Location: The GREAT SOUTH
Posts: 25
Re: My IOR 3-18x42mm

I have a question about the IOR scopes. most people buy 30mm tubes for the moa range. why doesn't the IOR's 35mm tube have more range, it says on their web site that their 30mm tube scopes have almost 20moa more. That doesn't make allot of sense to me, but then again i'm no expert.
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Unread 05-17-2007, 07:11 AM
Gold Member
Join Date: Aug 2005
Location: Mouth of Hobble Crk Canyon, Utah
Posts: 630
Re: My IOR 3-18x42mm


I'm pushing the Nosler 180 BT to 3050 fps with 68.6 gr of Reloader 25 in Win cases, ignited by Fed 210M, seated .015" off the lands. I hit max at 70.7 gr. This is a very compressed load. Accuracy has been 3/4 MOA out to 600 yds.

Big Al
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Unread 06-03-2007, 04:15 AM
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Join Date: Dec 2001
Location: Mukilteo, WA
Posts: 1,092
Re: My IOR 3-18x42mm

Looks great Big Al! Thanks for posting the pics.


They have much larger erector tubes/assemblies. Larger lenses inside for better optical performance and I believe some of the hardware required to make the 6X zoom range just physically takes up more room. It's all a compromise--you could stick 1" internals in it and have gobs of adjustment, but you may be limited to a more normal 3-9X or so power range and you'd be at an optical disadvantage. There are plenty of scopes like that on the market already.
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