| 摘要 |
<p>WAD FOR MAKING CARTRIDGES WITH SINGLE PROJECTILE A wad for use with a single projectile for a firearm is made of a plastic material and serves as a container for the projectile. The external, cylindrical surface of the container including a plurality of radial, helicoidal fins and grooves. Inner, longitudinally extending and radially oriented fins support the projectile and permit transport of air to the base wall of the container. 1368 P/ll CA</p> |
