The guys are in southern California, Sean assesses a 16th century wheellock and then heads to the testing range to see if this ancient mechanism can still light a spark.

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A 17th century bronze cannon has host Sean Rich so fired-up, he makes a uncommon deal, offering the seller $8000 on the spot.

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The guys head to Southern California for an extravaganza of military collectables. Jim shoots an 1873 Colt .45 revolver, an iconic piece of Americana from the Wild West.

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The guys head to Colorado for an extravaganza of military collectibles; shooter fires a MAC 10 submachine gun, the iconic weapon of Hollywood movies like "Pulp Fiction."

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Sean and the guys are in Colorado Springs doing what they do best: finding the best military items and weapons for their auction. Shooter examines a Kel-Tec RFB .308 rifle and carries it to the range to see if it works.

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The guys head to Southern California for an eclectic auction spanning the centuries and continents. Sean examines a pair of 18th Century dueling pistols and the heads to the shooting range.

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The guys head to Houston to fire off a German MG-42 machine gun from World War II. Known as "Hitler's Buzzsaw", the MG-42 fired 1,200 to 1,500 rounds per minute and killed thousands of Americans in Normandy.

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The Lords of War inspect a rare piece of WWII memorabilia that couriers used behind enemy lines. If it's authentic, it could be valued at $18,000. And one seller, disappointed to learn his Japanese katana sword was not actually Made in Japan, is in for a big surprise.

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Sean and the Lords of War are just outside of Colorado Springs, Colo., on the hunt for the best military items and collectibles for their auction. Shooter comes across a Browning BAR rifle, first used in WWI, and heads to the shooting range to see if the weapon still fires.

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A pocket pistol like the one John Wilkes Booth used to assassinate President Lincoln.

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Sean and the team are in Texas to track down top-notch military pieces for their upcoming auction.

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In Fla., Sean and Hammer meet a seller who grew up playing with what could be a Spanish helmet.

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A blunderbuss pistol from the American Revolution; a Bowie knife; a 1907 Winchester.

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Shooter is determined to get an MP5 submachine gun into the auction; Jim finds a Colt 45-caliber.

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A 1915 Vickers; conquistador stirrups; American flag made by Polish POWs in a concentration camp.

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Shooter gets really excited when he comes across an M2 machine gun, which could be very valuable.

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