Here' are my measurements taken with 2 dial calipers, same readings from both. Casting is Cerrosafe, about 30 hours old so within the window of accuracy.

Rim had to be taken from the gun, not the casting, .490 but remember only 0.040 deep.

Base .430

.5" - .414

1.0" .399

1.5" - .392

2.0" - .389

neck -.387

Bullet -.366


My problem lies in reconciling my gross habits with my net income.
- Errol Flynn