I actually called John Barsness up to get his suggestion. He tells me to refer to his Gun Gack series of books, but I find it easier to just call him. I am using 29 grains 8208 or 26 grains H322. I did shoot some with H335 and it works, I think the 8208 and H322 are better choices.
This is a chart from "Shooters Reference" (
https://shootersreference.com/reloadingdata/204-ruger/) a website on the Internet
V-MAX
(HDY)
FED 205m
H322
(Hodgdon)
HDY
1.840"
2.250"
Powder:
25.5 gr
27.5 gr
Vel.:
3,826
4,030
Press.:
48,300
56,400
0.204"
Hodgdon
32 gr
V-MAX
(HDY)
FED 205m
H335
(Hodgdon)
HDY
1.840"
2.250"
Powder:
26.0 gr
28.3 gr
Vel.:
3,703
4,044
Press.:
40,600
54,800
0.204"
Hodgdon
32 gr
V-MAX
(HDY)
FED 205m
H4895
(Hodgdon)
HDY
1.840"
2.250"
Powder:
27.0 gr
29.0 gr
Vel.:
3,669
3,980
Press.:
40,500
51,100
0.204"
Hodgdon
C
32 gr
V-MAX
(HDY)
FED 205m
Varget
(Hodgdon)
HDY
1.840"
2.250"
Powder:
27.0 gr
29.0 gr
Vel.:
3,557
3,798
Press.:
38,300
47,400
0.204"
Hodgdon
C
32 gr
V-MAX
(HDY)
FED 205m
IMR 8208 XBR
(Improved Military Rifle)
HDY
1.840"
2.250"
Powder:
27.5 gr
29.0 gr
Vel.:
3,917
4,130
Press.:
47,500
56,500
0.204"
Hodgdon