Mckee & Mason 333 - 0.69 Caliber Bullet With A Thick Skirt & A Plug Cavity cavalry 58 caliber 3 ring minie

58 caliber 3 ring minie ball with a deep flat tip (small plug) cavity

Stelma2 lists as a base cast bullet & cold pour type marks can be seen

For your consideration one brass underplug for a Borman cannonball…these are almost always made from iron

Feels like this slider is made of lead but I am not positive of that

This “swagging” ring has caused the nose to be slightly bulbed

Mckee & Mason 333 - 0.69 Caliber Bullet With A Thick Skirt & A Plug Cavity cavalry 58 caliber 3 ring minieFor your consideration one McKee & Mason 333 0. 69 caliber bullet with a thick skirt & a plug cavity. You will find this bullet to be in very good to excellent dug condition. The patina is a real nice white. Notice the low base first ring. Measures about 0. 68 x 1. 08 inches.