| 摘要 |
<p>The invention comprises a barrel for acceleration, a bullet supply device for supplying a bullet to the barrel, and a revolving device for revolution in the barrel for acceleration and for directly pushing a bullet in the barrel and firing the same from a muzzle at an end of the barrel for firing. It is possible to fire bullets at a high automatic firing velocity and a high firing muzzle velocity without the use of any pressurized gas and without incurring energy loss. <IMAGE></p> |
