Just in case you didn't know, the head of the cartridge is the back end. The front, where the bullet is, is the mouth, while the back, where the markings are, is the head. That's why the markings are called "headstamps".
Many people refer to bullets as "heads", or "bullet heads". They are wrong.
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.