Light load:

R-P cases with deburred flash holes and trimmed to book minimum
Sierra 150 grain round nose flat base(30-30 bullet)
CCI 200 Primer
40 grains IMR-4895
Bullets seated to bottom of cannelure

Velocity: Slow

1.5" 5 shot groups @ 100 yards in my heavily pitted bore 1930 1903 Springfield
Took a 5 point Kentucky buck on opening day at 85 yards. One shot through the ribs with an exit hole about the size of a golf ball.