On Wed, 17 Oct 2007 06:33:54 -0700, BradGuth
wrote:

Guns can include a 7.62mm Gatling gun, a .50-caliber machine
gun and more,

Don't they make [or at least have developed] a three barrel .50
Gatling that is not all that heavy. Decades ago the French had a 95
pound 20mm intended for use a door gun. It had about a six foot
barrel.

Casady