New Mil-Spec Version of the Angle Cosine Indicator Sniper Tools Design ... this ACI operates as a liability eiminator for angle shooting The ACI is available from U.S. Tactical Supply, Brownells ...

they started the high-angle shooting. “Each degree of angle will have an associated number value called its cosine,” Rishovd said. “For snipers shooting at high-angles they need to measure ...