Rocco and Eli surprise the Banditos team with a Civil War Gatling gun and tasks them with making it hand-held and mobile. Then, a client visits and asks to have a 16th Century Wall Gun restored. They also help other clients with a WW II Liberator and a Winchester 1873 Revolver.

Rocco raises the stakes when he wants to create a powerful black powder bazooka on a quick turnaround. Additionally, he tasks the team with reinforcing a WW II motorcycle with a new sidecar with mounted assault rifle. Eli comes across a revolver fashioned as a throwback to the days of the West.

Rocco raises the stakes when he wants to rush the modernization of a 1930's era Tommy Gun so they can dedicate it to a group of fellow military veterans. Along the way, they also assist a client with restoring a WWII era Flamethrower and another with identifying his 1851 Colt Revolver.

Rocco pitches the crazy idea to construct a suppressor for a Revolutionary War Cannon. Also, a Banditos client tasks the team with reviving his Browning M1919 Machine gun. Another customer has something mysterious from World War II.

Military vets Rocco and Eli restore a Cold War Tank that's been inoperable for over 30 years. They also create their own version of a Blunderbuss and help a customer identify a mysterious Japanese explosive device from WWII.