Ok I worked up some loads. My 25DTI is 18" barrel.

70 Blitz
31.5 AA2200
450 primer
SSA Brass
0.800 ish 3 shot group at 100.
3280 average speed


70 Blitz
28.5 H4198
450 primer
SSA Brass
0.800 ish 3 shot group at 100.
3257 average speed