22-year - old arms dealer faces congressional investigation . Company supplied ammunition made in China decades ago . Company 's contract called for bullets made in China . Grandfather arms dealer , 22 , had ` ` gift '' for weaponry .
22-year-old arms dealer faces congressional inquiry . Company supplied ammunition made in China decades ago . Company 's contract called for bullets made in Hungary . Grandfather says dealer , 22 , had `` gift '' for weaponry .