摘要 |
<p>PROBLEM TO BE SOLVED: To provide simple structure, to inexpensively increase the speed of a bullet, and to improve hit accuracy. SOLUTION: In a barrel 3 that can be replaced with an air nozzle 2 of an electric model gun 1, and fires a bullet 5 which is pressed by being hammered out towards a target by compressed air, a plurality of barrel internal grooves 3d extended in a firing direction are provided on the inner wall surface of one part of the barrel 3, in a peripheral direction at equal intervals.</p> |