Jack Stevens
AH veteran
Those are closer to; but not quite Howdah pistols. Howdahs fired solids not shot and used a cartridge powerful enough to STOP a tiger at arms length.
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So not a Howdah. I doubt even a double load of 00Buck would stop a tiger before he could take a chunk of flesh.
Since I have a modern “Auto-Burglar” in 20ga, built off a Stevens 311 with 9” dbl tubes, I can you it will absolutely fire 20ga slugs (“solids”) just as well as buckshot.
So yes, it’s the modern equivalent of a Howdah.