Mason & Mckee #427 0.54 Caliber Bullet With A Very Shallow Ellipsoidal Cavity Artillery The patina is as pictured

The patina is as pictured a real nice tan

I have always been curious about this bullet & I still don’t know what it is

All is very strong

slick exxtra nice brown colour…a near perfect patina

All 3 rings are shallow & mold seams can be faintly seen on both sides

Mason & Mckee #427 0.54 Caliber Bullet With A Very Shallow Ellipsoidal Cavity Artillery The patina is as picturedFor your consideration one Mason & McKee #427 0. 54 caliber bullet with a very shallow ellipsoidal cavityjust as M&M lists this bullet. You will find this bullet to be in excellent dug condition. The patina is a real nice white colour. The nose is very sharp & all 3 rings are crisp. Measures about 0. 53 x 0. 95 inches. Thomas handbook compares this bullet to their 134A dished base Sourthern manufacture.