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Looked up 25/06AI ver. 257WBM Sierra Manual. There not much difference in velocity. That was my first response. I an again not a wby man, and I didn't like the free bore in their rifles either. I fired a 300wbm for my uncle, and I couldn't get it to group. If I remember correctly it was about 1.5" at a 100yds. Not my reloads either. He was happy with it, and so I left it that way.
Every gun is different. I have several makes that produced poor shooters and pretty impressive shooters. We have 2 300 weatherbys and one will shoot 1/2"MOA and the other would drive tacks. I have a 270 weatherby mag and you can shoot tacks with it. For 1000 yd benchrest I used a 7/300 weatherby and it shot well but times have changed in that game so I shoot a smaller caliber. I had a 2506 and it shot well with 100 grain Bullets. But always out shot it with a 7/300 weatherby so I stripped it down and had Howard Wolf turn it into a long range 7/300 for hunting. But I am thinking of getting another 25 cal for hunting at shorter distances just maybe a 25x47.
ShoNuffI can tell you who AINT gonna like it. Any 4 legged critter that finds itself on the other side of my crosshairs for dang sure!
Got my PVAs also. They look great. Hope they do fine in my 7.5 twist. Should be able to push them around 3250. I'm just above sea level at around 800'. Really like to see how they perform on deer.
You should be fine with the 1:7.5" twist and should be a zinger.
When you say more bullet selection do you mean more factory ammo offerings?
98gr Shockhammers
Feenix,
Hammers are'nt finicky about jump. Since they have less bearing surface than conventionals you'll want as much of the ringed portion in contact with the neck as possible. I loaded mine to where the start of the boattail is at the neck/shoulder junction and the case mouth is on a groove for crimping. Seems to work fine.
