Posted on Sat, Apr. 05, 2003 Fort Riley soldier's idea keeps weapons workingAn oil-based lubricant for guns is like a magnet for dust and sand in the desert. One soldier found a synthetic substitute.BY TIM POTTERThe Wichita Eagle FORT RILEY - As they head to war in Iraq, the soldiers of the 1st Battalion, 13th Armor, carry 1-ounce bottles of orange liquid that could save their lives.They contain a synthetic lubricant that keeps pistols, rifles and machine guns working in the desert sand and dust, which can coat, clog and wear any mechanism.The tank battalion, part of the 3rd...