Sniper Tools Design Co. introduces a new Mil-Spec version of its Angle Cosine Indicator (ACI). The device is guaranteed to be waterproof to 30 feet. Because there are no batteries or electronics to fail, this ACI operates as a liability eiminator for angle shooting The ACI is available from U.S. Tactical Supply, Brownells, Badger Ordnance and Sniper Tools Design Co.