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Copyright © 2008-2012
All Rights Reserved
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Angle Cosine Indicator
with Badger Ordnance Gen2 Mount
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| Description |
The Angle Cosine Indicator is a simple tool for shooters in mountainous terrain or MOUT
conditions where the Operator can be faced with targets at high or low angles.
It is a quiet vault solid precision instrument made from aircraft grade aluminum
which is anodized in a black color. The ACI is completely compatible with the Mildot Master
and ballistic software as the cosine numbers are laser engraved onto the body in five-degree increments.
Battle-proven and in use by the US Marine Corps, MCMWTC, US Army Special Forces,
US Air Force, US Navy,
US Border Patrol, British Special Forces, Canadian Special Forces,
Australian SAS, LE, hunters, and many others.
The ACI works on any shoulder-mounted weapon system and with just about any optics.
When the weapon is held at an angle, the ACI indicates the Cosine number of that angle
by means of a highly visible index mark. The Cosine number is then multiplied to the "established range"
(straight line distance to target) which gives you the corrected-for-gravity distance.
There are several ways to mount the device. One way is to utilize a short Weaver base scope ring
which is mounted onto the scope tube at 90 degrees. Another way is to utilize a Badger Ordinance
mount designed to attach to a Picatinny rail. The mount works on all day and most night scopes.
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Tech Tips:
CORETAC SOLUTION will only market the GEN 2 Badger Ordnance Picatinny mount
as other mounting systems such as the Scope mount or Gen1 Badger Ordinance
interfere with scope operations or obscure the scope dials.
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How does it work:
METHOD #1: The most accurate method is to input the cosine number into your ballistic software; i.e.
Exbal Ballistic Targeting Software that runs on either your home PC, Pocket PC or Palm Pilot.
This is because the software takes into account the trigonomics of the fact that the bullet will still
travel the full distance to target and maintain a similar time of flight.
METHOD #2: is to multiply the cosine number to your MILRAD or MOA hold
for your distance to target as indicated on your data card. For example, if your
MOA hold for 600 yards is 11 MOA, and .87 is indicated
by the ACI, you would then multiply .87 X 11 MOA, and obtain a corrected for gravity distance of 9.57 MOA.
This is fairly accurate, although not as accurate as utilizing ballistic software. This is called the "Improved Rifleman Method."
METHOD #3: is to multiply the cosine number to your sloped distance. This will deliver the flat
line distance to target, or what we call the bottom leg of the triangle.
Now, adjust the sight elevation knob (come-ups) on your scope for the "corrected range".
If you experiment with your ballistic software you will find that there can be as much as eight (8) MOA
difference between method #1 and method #3. Method #1 is the most accurate & preferred method.
Read more about ACI ...
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| Features |
- Indicates Cosine
- Aircraft grade aluminum
- Badger Ordnance Gen2 Picatinny Mount
- All non-reflective anodized coating in black
- Water proof and Mil-Spec construction
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| Options |
Shipping: In Stock items ship in 1-2 days
Price: $219.00 CDN
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Proud sponsor of the
Police Marksmanship Challenge
2009-2011
Proud “Recruit” sponsor of the Canadian Forces
Small Arms Competitions Awards Program
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CORETAC SOLUTIONS INC.
P.O. Box 48081
Dundas Sheppard
Mississauga, Ontario
Canada
L5A 1W0
(647) 204-7209
Email: info@coretacsolutions.com
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