These aren't sporting arms, they are used in industrial applications:
Decades ago, my cousin showed me a large, shotgun-like cartridge. I believe it was 4 gauge, with a single projectile. Which was like a rifled slug, only it was somewhat pointed. He told me is was for a foundry gun, used for shooting slag off the top of molten metal. Mounted on a railing.
Gun Test: Hands On the Remington MasterBlaster 8-Gauge Industrial Gun
At a recent media event at the Remington ammunition factory in Lonoke, Ark., I had the pleasure of shooting some
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Winchester | Industrial Products - Equipment
winchesterindustrial.com
Decades ago, my cousin showed me a large, shotgun-like cartridge. I believe it was 4 gauge, with a single projectile. Which was like a rifled slug, only it was somewhat pointed. He told me is was for a foundry gun, used for shooting slag off the top of molten metal. Mounted on a railing.