M1905 Springfield Bayonet Forged in Fire : Season 8 Episode 4

Four smiths must rely on their math skills to determine the amount of steel needed to make their signature blades. After a couple calculating rounds, two smiths return home to build the intricate M1905 Springfield Bayonet. Which smith's design will lock him into first place, securing the Forged in Fire title and a check for $10,000?