Hey WV
Thx for your response.
I’ve been shooting SST for many years but the only diff is I shoot 12Ga and black powder for whitetail here.
The bullets perform well but the only issue I’ve had is with shots inside 20 yards.
The bullet practically goes off like a grenade and in one case completely fragmented causing the loss of 1/3 of that deer that year.
Aside from that I’ve never had an issue.
Back to your response,
The 270 did more damage than the 7mm08 at the same velocity?
That’s very interesting and I’m curious why that happened ???
Bullets like Ballistic tips, SST's and Bergers are soft bullets that at magnum speeds and at close range they will fragment on impact if you hit bone or hard muscle, and in some cases fail to penetrate to the vitals. They will damage a lot of meat.
The reason the 270 did more damage is that the bullet is going faster causing more fragmentation (what many call bullet blow up).
We hunt with 7mm-08's and 7mm Rem Mag.
My wife shoots 120gr Ballistic Tips on her 7mm-08 and I use the 139gr SST on mine, both bullets kill fast and we usually put it right behind the shoulder. They turn the lungs to jello and kill fast.
With the SST I have gone through some shoulders with no problem, a couple of them at 100 yds or less and this is possible because the 7mm-08 pushes the 139gr SST at what you can call a standard large cartridge velocity. I'm getting just under 2,800 fps with IMR-4064. If pushed at a magnum speed say 3,000 to 3,200 fps at close range it will blow up.
On the 7mm Rem Mag I use the 162gr SST and I can go through the shoulder with it, why? Well larger cartridges work better with heavier bullets.
If you want to use a light bullet at lightning speeds then use a bonded bullet or a monolithic, these will hold together well.
On my 7mm Rem Mag I have also shot the 168gr Berger Hybrid Hunter and it did an awesome job as well, also snugged behind the shoulder, vitals turned to jello as well.
If you want to put it through the shoulder it's better to use an bonded or mono.
If you want to put it behind the shoulder then an SST, Berger or Ballistic Tip will work best, these bullets will dump most of their energy inside the animal and in some cases will not exit the animal but will cause severe trauma that leads to a fast and humane kill.
Hope this helps and stay safe