257 Weatherby

I've used the 115 Partition and the 100 tsx in two 257 Weatherby's. I used R22 with the TSX and the 115 PTs were the old Federal Premium factory load that clocked 3200fps. Great round! Have a ball pard!
 
Got out to the range and quite impressed so far.

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Definitely some comforting data you've generated. That will pack a punch.
 
I always used 7828 long cut in my 257 WBY. 71g went 3450fps with the 115g BT with 26 inch barrel.
 
my personal favorite caliber! my s2 likes rl25 and 100gr e-tip and h1000 and 100gr scirrocco's. have fun they shoot bigger than they are!
 
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