What In the World Is That?

Renowned experts Jim Supica and Phil Schreier examine history's most famous firearms and explore the stories behind them.

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What our Gun Gurus run across this week will blow your mind! Jim Supica and Phil Schreier will show us a .75 caliber percussion pistol, a handgun so unique that you can't get ammo for it anymore. Plus, an 800 psi air rifle and a Winchester Model 1866 that could surpass $400,000 at auction!

Season 3