The Pancor Jackhammer is a fully automatic, rotary magazine, 12 gauge shotgun. Designed in 1984 by John Anderson, and patented in 1987. The concept of a fully automatic shotgun has not taken hold with the military, or with law enforcement, due to the difficulty of controlling such a weapon. Only three prototypes were constructed, with two of the three exploding during testing; only one survives today, in the hands of a private collector. However, the shotgun's futuristic appearance has made it popular in action films and video games.
The only sample of the Jackhammer currently in existence has been modified; it has a Heckler & Koch MP5SD foreend installed in place of the original foreend.
Magazine function as an Anti-Personnel MineEdit
As an interesting additional feature, it is possible to take the drum magazine off the firearm, attach a detonator, and use it as an anti-personnel mine that fires all of the cartridges at once when tripped. The manufacturer advertised this as the "Beartrap".
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