No, it just means that back in the day, most of the ammo available looked like this.
It must kinda went through, pushing its way, without really causing a whole lot of damage.
Instead of, like now, with the huge honkin' hollow points, and Glassers, and things of that nature, that upset and tear up big chunks of meat.
Meddle not in the affairs of dragons, for thou art crunchy, and taste good with catsup - George of Lod, Year of Our Lord 297
I always take precautions.
Beware the Evil Bullet Fairies.