Pancor Jackhammer

History of Pancor Jackhammers

The Pancor jackhammer was developed by American gunsmith John Andersen as an automatic bolt-action shotgun. The design was patented in 1987 and development work is underway under the Pancor Industries brand in New Mexico. The jackhammer is designed to combine the powerful lethality of a 12-gauge shell with the repeat-fire characteristics of an automatic weapon, using a revolver-style lug.

The end product became a large - albeit bulky - futuristic weapon that never took hold on the world stage. Pancor Industries went bankrupt and all of the company's assets - including jackhammer prototypes and plans - were sold.

The Jackhammer Mark 3 is the last known derivative of the Jackhammer design and no more than three are estimated to have been completed. For a while, the U.S. military assessed jackhammers to prevent their sale to foreign countries, leading to the demise of the weapon.

At the heart of the jackhammer is a conventional pneumatic system that allows fully automatic firing from a rotating 10-round cartridge that feeds 12 gauge (2.75") rounds from the rear of the receiver. The weapon uses Regular iron point and two full rings for carrying handles across the top of the receiver.

The barrel has a distinctly sloping muzzle cap, and the sloping pistol grip is integrated into the bottom of the frame. Jackhammer total weight 4.57 kg 787 mm and 525mm barrel length The firing process is semi-automatic or fully automatic via a selector switch The rate of fire is specified at an impressive 240 rounds per minute, the National Firearms Act of 1934 in the United States classifies the jackhammer as a "machine gun" resulting in strict rules.

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