The “Angle Cosine Indicator,” is a simple tool for hunters in mountainous terrain, and utilized to obtain their corrected for gravity distance to target.
The “Mil Spec” ACI is a vault solid, water proof precision instrument; (as per Military Specs) quiet and made from aircraft grade aluminum, which is anodized in a flat black color.
The Co-Sine numbers are Laser Engraved onto the body in five (5) degree increments. The lens is shatter proof, shock proof and resistant to chemicals such as acetone and cleaning solvents.
Completely mechanical, there are no batteries to fail and no electronics to fail.
This version of the ACI is Guaranteed water-tight and is manufactured as per the US Military Directives.
Left Hand Variant: Same as the Right Hand version, this LEFT HAND version is built for the Left Hand Shooter who wants the ACI mounted onto the RIGHT Side of their rifle.