51 gr of Superperformance will push a 70 varmint bullet @3600 +
48.7 gr of Superperformance will push an 80 TTSX @3400 +
both with less PSI than a 270 WSM.
The 80 gr TTSX is very effective (this one in .257), bang flop.
In behind last left rib out thru right shoulder.