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cosine indicator

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Unread 06-22-2010, 05:41 PM
Silver Member
Join Date: Jun 2008
Location: christchurch, nz
Posts: 415
cosine indicator

i want to get a cosine indicator but i dont want to pay for the brand name, eg nightforce. does anyone know of other makers that are the same thing but not the same price,.. or does anyone have an ole one with no paint and scratches and do on that they dont want. i dont care for looks, just function.
sames goes for a 5.5-22-50/56 npr1 NF scope
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    Unread 06-23-2010, 02:17 AM
    Gold Member
    Join Date: Jun 2009
    Location: Afognak Island, Alaska
    Posts: 598
    Re: cosine indicator

    Check out Horus Vision. They have a cosine indicator at a fairly good price.
    Long Range Sickle
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    Unread 06-23-2010, 05:52 AM
    Platinum Member
    Join Date: Feb 2008
    Location: IOWA
    Posts: 2,120
    Re: cosine indicator

    Don't piss around, buy quality the first time. Get the Nightforce , the one that mounts on the picatinny rail. Then use an offset level that mounts on the scope tube sold by Sinclair as an anti cant devise.
    Here is a pic of my setup.
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    Unread 06-23-2010, 07:39 AM
    Gold Member
    Join Date: Aug 2008
    Location: east central fl. /n.c. pa.
    Posts: 815
    Re: cosine indicator

    it is very important to take cousine into account when shooting at distance. the ammount of error is greater than most realize.
    that said there are ways to do it without spending large sums.
    if your the type of hunter that moves around with a sporter type rifle, then the type that attach to the scope mount are very nice.
    midway has one in their cataloug including the mount for under $150.
    if on the other hand you dont mind doing some calculations and carrying a larger ammount of gear their are other options that work equally as well.
    northern tool for example has a protractor that moves on its own for about $10. its very light weight, but is about 4" in diameter. a small inexpensive calculator that has the cousine feature is the only other tool you need.
    you would of coarse need to know the distance before doing the calculations.
    charts can also be prepared similar to elevation charts.
    that way you only need the distance, check the angle, and look at the chart.
    even guessing the angle is better than doing nothing.
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    Unread 06-23-2010, 06:54 PM
    Platinum Member
    Join Date: Feb 2009
    Posts: 3,546
    Re: cosine indicator

    Here's a link you may want to take a look at:

    Defensive Edge Products
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