Revolvers:
Uberti El Patron 5.5"
Pietta 1858 with Howell Conversion Cylinder 8"
These loads give me excellent accuracy.

Light Load:
200gr. SNS poly coated or 200 LEE, Sized .452
7.0 of HP-38 or Win. 231
WLP primer
OCL: 1.580

Stout feeling load in the revolver:
255gr. HP, this is a huge hollow point, G/T bullet.
Also 255gr. RNFP G/T Bullet, Sized .454
8.0 of Power Pistol
WLP primer
OCL: 1.640 for Uberti
OCL: 1.610 for 1858, seated past crimp groove to fit length of cylinder.

Miroku Winchester 92:
The new Miroku's need at least a .453 cast bullet for accuracy.
Very Accurate load, I use this load for Cast matches, 6-8" steel plates at 50yds.
They go right down.

255gr. HP, this is a huge hollow point, G/T bullet.
Also 255gr. RNFP G/T Bullet. Sized .454
8.0 of Power Pistol
WLP primer
OCL: 1.640