It looks like the final hurdle for the Sig Sauer P320 to be the official sidearm of the U.S. Army has been cleared. According to Army Times, the GAO rejected the protest filed by Glock for the winning bid on the Modular Handgun System (MHS)... "The Government Accountability Office has denied a protest from firearms manufacturer Glock that sought to have the government reconsider its award of a 10-year, $580 million contract for the Army's new handgun to a competitor.