RE: 7MM S T W
I have one in a sako 75. With 80gr of H1000 and 160gr accubond, I get over 3150fps, and with 78gr of RL25 and 160gr accubond, I get 3150fps and little better accuracy.
Yep, they are known to start getting throat erosion at 1000 rounds. And have heard guys getting 1800rounds thru before accuracy really starts dropping off.