As always start low and work up a load according to your rifle...bla...bla..bla
I take no responsibility for the accuracy of these loads as they were copied from another source and as yet untested...bla...bla..bla
I will mention that when compared to the Sierra Manual that the starting and stopping load charges are identical for the powders listed in Sierra's manual.
http://stevespages.com/243_9.html
Click on the right for the bullet weight you wish to use and you will get the starting and ending load charges with various powders. His data does indicate he was using Federal 7 1/2 primers.
Here's his generated data:
6x45 load data
55-60 grain bullets
AA-2015 From 23.3 grains to 25.3 grains
AA-2230 From 24.5 grains to 27.5 grains
AA-2495 From 23.7 grains to 26.3 grains
AR-2207 From 17.5 grains to 21.5 grains
BL-C(2) From 28.0 grains to 30.0 grains
H-322 From 23.0 grains to 25.6 grains
H-335 From 23.2 grains to 27.8 grains
H-4198 From 19.5 grains to 21.5 grains
H-4895 From 24.7 grains to 28.1 grains
IMR-3031 From 23.0 grains to 26.0 grains
IMR-4064 From 25.0 grains to 27.0 grains
IMR-4198 From 21.3 grains to 22.6 grains
IMR-4320 From 24.0 grains to 26.0 grains
IMR-4895 From 25.0 grains to 27.0 grains
RL-12 From 27.0 grains to 29.0 grains
RL-15 From 26.0 grains to 29.0 grains
W-748 From 25.6 grains to 29.0 grains
68-70 grain bullets
AA-2015 From 22.4 grains to 24.8 grains
AA-2495 From 23.6 grains to 26.4 grains
AR-2207 From 17.0 grains to 21.0 grains
BL-C(2) From 27.5 grains to 29.5 grains
H-322 From 22.5 grains to 25.0 grains
H-335 From 24.1 grains to 27.7 grains
H-4198 From 19.0 grains to 21.0 grains
H-4895 From 25.0 grains to 27.5 grains
IMR-3031 From 23.0 grains to 25.7 grains
IMR-4064 From 25.0 grains to 27.0 grains
IMR-4198 From 20.8 grains to 22.3 grains
IMR-4320 From 24.0 grains to 26.0 grains
IMR-4895 From 25.0 grains to 27.0 grains
RL-12 From 27.0 grains to 29.0 grains
RL-15 From 26.0 grains to 29.0 grains
W-748 From 24.0 grains to 29.0 grains
75 grain bullets
AA-2015 From 21.7 grains to 24.4 grains
AA-2230 From 22.4 grains to 25.9 grains
AA-2495 From 22.4 grains to 26.1 grains
AR-2207 From 17.5 grains to 19.5 grains
BL-C(2) From 27.0 grains to 29.0 grains
H-322 From 21.5 grains to 24.3 grains
H-335 From 22.6 grains to 26.2 grains
H-4198 From 18.5 grains to 19.5 grains
H-4895 From 24.0 grains to 27.0 grains
IMR-3031 From 22.0 grains to 25.3 grains
IMR-4064 From 25.0 grains to 27.0 grains
IMR-4198 From 19.3 grains to 21.7 grains
IMR-4320 From 24.0 grains to 26.0 grains
IMR-4895 From 24.0 grains to 26.0 grains
RL-12 From 25.0 grains to 27.0 grains
RL-15 From 26.0 grains to 28.0 grains
W-748 From 24.7 grains to 28.5 grains
80 grain bullets
AA-2015 From 21.7 grains to 24.4 grains
AA-2230 From 22.4 grains to 25.9 grains
AA-2495 From 22.4 grains to 26.1 grains
AR-2207 From 17.0 grains to 19.0 grains
BL-C(2) From 25.5 grains to 27.5 grains
H-322 From 21.5 grains to 24.3 grains
H-335 From 22.6 grains to 26.2 grains
H-4198 From 17.5 grains to 19.0 grains
H-4895 From 24.0 grains to 27.0 grains
IMR-3031 From 21.0 grains to 25.3 grains
IMR-4064 From 24.5 grains to 26.5 grains
IMR-4198 From 19.3 grains to 21.7 grains
IMR-4320 From 24.0 grains to 26.0 grains
IMR-4895 From 24.0 grains to 26.0 grains
RL-12 From 24.5 grains to 26.5 grains
RL-15 From 25.0 grains to 27.0 grains
W-748 From 24.7 grains to 27.6 grains
85 grain bullets
AA-2015 From 21.4 grains to 23.8 grains
AA-2230 From 21.9 grains to 24.3 grains
AA-2495 From 22.2 grains to 24.7 grains
AR-2207 From 17.0 grains to 19.0 grains
BL-C(2) From 25.5 grains to 27.5 grains
H-322 From 20.5 grains to 23.5 grains
H-335 From 22.0 grains to 25.5 grains
H-4198 From 17.5 grains to 19.0 grains
H-4895 From 20.6 grains to 26.0 grains
IMR-3031 From 20.5 grains to 24.5 grains
IMR-4064 From 24.0 grains to 26.0 grains
IMR-4198 From 17.3 grains to 19.0 grains
IMR-4320 From 23.5 grains to 25.5 grains
IMR-4895 From 20.6 grains to 25.0 grains
RL-12 From 24.0 grains to 26.0 grains
RL-15 From 24.5 grains to 26.5 grains
W-748 From 24.0 grains to 27.0 grains
90 grain bullets
AA-2015 From 21.4 grains to 23.8 grains
AA-2230 From 21.9 grains to 24.3 grains
AA-2495 From 22.2 grains to 24.7 grains
AR-2207 From 17.0 grains to 19.0 grains
BL-C(2) From 25.0 grains to 27.0 grains
H-322 From 20.5 grains to 23.5 grains
H-335 From 22.0 grains to 25.0 grains
H-4198 From 17.5 grains to 19.0 grains
H-4895 From 20.6 grains to 25.5 grains
IMR-3031 From 20.0 grains to 24.5 grains
IMR-4064 From 22.0 grains to 24.0 grains
IMR-4198 From 17.3 grains to 19.0 grains
IMR-4320 From 23.0 grains to 25.0 grains
IMR-4895 From 20.6 grains to 25.0 grains
RL-12 From 23.0 grains to 25.0 grains
RL-15 From 24.0 grains to 26.0 grains
W-748 From 24.0 grains to 26.5 grains
100 grain bullets
BL-C(2) From 24.5 grains to 26.5 grains
H-335 From 21.5 grains to 23.0 grains
H-380 From 26.0 grains to 28.0 grains
H-414 From 26.0 grains to 28.0 grains
H-4895 From 22.0 grains to 24.0 grains
IMR-3031 From 20.0 grains to 22.0 grains
IMR-4064 From 22.0 grains to 24.0 grains
IMR-4320 From 23.0 grains to 24.5 grains
IMR-4895 From 22.0 grains to 24.0 grains
RL-12 From 21.0 grains to 23.0 grains
RL-15 From 21.0 grains to 23.5 grains
W-748 From 24.0 grains to 25.5 grains