Be careful with the 139sst
Some batches of those projectiles have been hard as nails and just drill through light thin skinned deer like Sika/Fallow and they run off to die a long long way away.
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And others do this.....
Entry side surface blow up
Attachment 56952
Stopped using them after this.
Looks dead.
haven't shot game with the sst yet but that is crazy
I have a 22inch barrel rem 700 pushn 150lrab with 43.1grains at 2750
Using 2208