From Man at Arms: Reforged:

To celebrate the 100th Man At Arms episode, the folks from Baltimore Knife and Sword are recreating the infamous chainsword from Warhammer 40K in real life!

Every other Monday, our team of blacksmiths and craftsman build some of your favorite weapons, and some weapons that you’ve never seen before. This week, the guys at Baltimore Knife and Sword take on the Warhammer 40k Chainsword!

[Awe Me]