[heartwood]

What is that thing, an automatic shotgun?

[AFreeBird]

Yea, rock and roll 12 guage. 300 rnds/min. Rate of fire. Check the link at -#63.

[UCANSEE2]

AA-12 Fully automatic (300rpm), gas-operated,low-recoil, 12-gauge shotgun, with a whole multiple ammo configurations.

http://www.youtube.com/watch?v=p4ebtj1jR7c

[AAABEST]

The AA-12 Full Auto Shotgun


12 gauge buckshot, slugs or high-explosive Frag-12 rounds @ 300 ROUNDS PER MINUTE.

LINK

VIDEO

The Frag-12 HE 12 gauge shotgun Projectile


The FRAG-12 HE-AP round incorporates a shaped charge to allow it to penetrate 1/2-inch steel armor plate....

LINK


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High explosive projectiles through a 12 gauge at 300 rounds per minute? To boot, the thing doesn't even need to be cleaned, ever.

Too bad you can't get one unless you're an FFL who deals with LE, or one would be in my collection.