(Medford, OR)  --  A federal grand jury in Medford has indicted a man for allegedly selling explosives and fentanyl.  In March, Medford Police notified ATF agents that 56-year-old Wesley Armstrong was trying to sell explosives.  They say he was arrested after selling eight cast explosives, other explosive material and a small amount of fentanyl.  A search of his vehicle found a loaded gun and more fentanyl.  He was charged for selling explosives, drug possession with intent to distribute, and felon in possession of a firearm.