Web Photo Charleston police now have a Barrett Model 99 .50 calibre BMG single show sniper rifle. The gun can hit a target up to 4.2 miles away. AssociatedPress CHARLESTON -- The Charleston Police Department has bought what may be the largest-caliber sniper rifle owned by any police agency in West Virginia, a Barrett Model 99 .50 caliber BMG single shot that fires bullets slightly smaller than a hot dog. The bullets, which cost $2 each, can hit a target up to 4.2 miles away. Because of Charleston's hills, such a shot is unlikely, said Sgt. Steve Walker, who...