Forged in Fire — Episode 4: M1905 Springfield Bayonet

You are watching the episode M1905 Springfield Bayonet 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?