H414 or RL19 are options for 7x57 with 140 gn pills if u are going to buy more powder.
Nosler load data lists Varget (2208) for 120 gn pills (max 45.0 gn, and most accurate 43gn) but they don’t provide data for Varget in 140gn pills. The usual rule of thumb is reduce load by 1gn for each 10gn increase in bullet weight. Soooo .... in theory max might be 44gn.
But start low and work up. In my experience with other calibres book max published tends to be conservative, but safe. Start low and work up for safe loads your rifle.
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