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Old 07-13-2009, 06:15 AM
Kevin6q

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Rear sight thread size



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Anyone know the threads for the diopter on the rear sight? I need to find a tap to clean the threads.
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Old 07-13-2009, 10:04 AM
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If you are talking about the rear sight on the CM-2 the thread size is 9x1.
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Old 07-13-2009, 02:37 PM
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It's actually my 7-4 but they use the same parts. Thanks very much. Kevin
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Old 07-13-2009, 06:41 PM
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Rear Sight Thread Specification

Quote:
Originally Posted by Charlotte View Post
If you are talking about the rear sight on the CM-2 the thread size is 9x1.
Good information Charlotte.

Rear irises
Quote:
I could bring the threads of the Iris down to the 9 x 1 threads of the Izhmash sight,
but that means the sight can only be used on the cm-2.
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Old 07-13-2009, 06:49 PM
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Aftermarket Izhmash Diopter & Aperture

Kevin6q ... have you seen this thread?

Izhmash BI-7-4 & BI-7-3: Adjustable Diopter Iris & Adjustable Front Aperture
Quote:
The following post was the impetus for this thread:
Quote:
Originally Posted by Eastside Ptarmigan View Post
Was looking at some biathalon stocks online....
when I came across an Izhmash Adjustable Iris at Larsen Biathalon.

Izhmash Iris

Their North American Distributor is http://www.altiusguns.com
I haven't called them to see if they have them but if anyone does they would.
Larsen Biathlon Dealer
Iris for Izhmash Diopter

Special Designed Adjustbalbe Front Aperture

Quote:
Adjustable from 1,8-4,3mm
Ring width: 1,6mm
Fits all front sights from IZHMASH
Adjustable Front sight rings

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you must know what-to-do, and ... then ... do-your-best.
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