Officer David Liang of the New Orleans Police Department (NOPD) wants to transform a Ferret armored scout vehicle into a crowd control/riot control vehicle and turns to Will Hayden and the Red Jacket crew for help. The team travels to New Orleans so Will can do a ride along with Officer Liang while the rest of the crew goes into the French Quarter to have some fun. They never expected that one of their own would witness a murder in the streets only 40 yards away. This project just got personal.

Jon Weiler of Professional Marksmen Inc. commissions the Red Jacket crew to integrally suppress a .50 caliber sniper rifle. This is one of the largest caliber gun rounds — and gun — in the world. And they only have a week to do it. Will, Joe, and Kris work through the night to come up with a plan.

Vahan Kelerchian from Armament Services International has a client willing to pay $50,000 to get his Japanese auto cannon repaired — but he needs Will's help. Will tells him he is backed up and can't do the job for months. Vahan leaves an unhappy customer. Joe, who recently lost his second job teaching, sees the situation unfold and decides to take on the job himself — and enlists the help of the other RJ guys. Everyone is nervous but they are willing to do it for Joe.

Find out what it takes to make Sons of Guns - with interviews and behind the scenes footage from the Red Jacket team and the film crew. From dangerous near misses and melting cameras to practical jokes and shooting contests, we reveal it all.

Red Jacket is put to the test when a 70-year-old, $150K, full auto 40mm Bofors cannon, with over 500 parts, breaks down 4 days prior to its sale. Also, the crew resurrects an 1855 Volcanic Pistol. Then, a rockin'.38 Special's secret markings reveal its royal lineage.

Red Jacket Firearms redefines armored cars when they conceal fully automatic M-16s and Claymore mines in an armored Porsche for a client that needs protection as well as the ability to fight back. Meanwhile, Steph goes rogue and builds a custom AR behind Will's back. And Jesse James returns to Red Jacket with his engraved BAR parts. The team assembles his gun and together they take it to the range where Jesse fires the custom-built weapon.

Max Brooks, best-selling author of The Zombie Survival Guide and World War Z, drops by Red Jacket Firearms to discuss the ultimate zombie gun. Max wants to use a .22, but Will wants to use an M16. RJF divides into two teams: Team Max and Team Will. Team Max builds with the civilian in mind – small and lightweight, with plentiful ammo. Team Will builds with the military in mind – big bangs and full auto mass destruction. Both guns are put to the test when the teams meet up in the woods for a nighttime zombie apocalypse shootout. And while Will and team are knee-deep in their zombie gun builds, a Lewis Gun – a World War I–era machine gun – comes into the shop for repair. Will tasks Steph with the project. She knows this is a test to see if she can fix it – and she’s up for the challenge.

Inspired by the new "Total Recall", Kris builds a Red Jacket version of the Vector submachine gun used in the film. Sony surprises him by sending out the film's hovercars, synths, and more. Will surpises Kris even more with some secret-agent training.

A former Navy SEAL sniper asks Will to modify a civilian H&K 416 for charity. Will agrees on one condition: that he helps the Red Jacket crew recreate the gun believed to be used to take out Osama Bin Laden, fast rope out a heli, and test their theory.

The Red Jacket crew bring an antique, blackpowder Lyle Cannon back to life for Aerosmith rocker Joe Perry. But one cannon is never enough. Kris and Flem repair and then square off to prove whose WW2 cannon is better: a German PAK 36 or an American 57mm.

An avalanche expert challenges Red Jacket to build a gun that saves lives. Will agrees to reactivate a 57mm recoilless rifle for a mountain rescue team in the Pacific Northwest. Kris must build a mountain of snow in the bayou to test out the gun!

The Red Jacket team attempts to un-bust a busted myth from Mythbusters. Tory Belleci and Kari Byron come out to Louisiana to help the team break the famous James Bond myth. Will Red Jacket be able to blow up a propane tank with a single gunshot?

A Benelli M4 shotgun is redesigned for competition shooting.

When two clients order 3-gun competition sets for their dads, Kris decides to secretly make a third set to honor Will. The gunsmiths agree to the overtime, but late nights lead to rookie mistakes that embarrass Will when he test fires before the client.

Someone from Red Jacket must jump out of a helicopter after a special services contractor asks the team to build a tight quarters Para-shotgun. As things get hot, Will takes a call that may change Red Jacket forever...