Reloder 12 in M1A with 155 grain Sierra Palma

[joc1212]

does anyone have any safe loads using Reloder 12 with a Sierra 155 grain Palma bullet in a M1A?
I used to use Sierra 150 grain matchkings that my friend moly coated.
Since he is gone I now need to buy Sierra 155 grain Palmas if I want moly coated bullets which I do.
thanks in advance for your help.
I'm shooting at local club matches at 100yds so I don't need the 168/175 grain long range loads...just a good accurate and safe for the M1A at 100 yds.

 

[GooseGestapo]

With a generic 150, Lee #2 lists 42.8 start @2,627; max 45.0 @ 2,755.

You won't find new data, as #12 has been discontinued.