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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hornady SST 123gr performance on deer.
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<blockquote data-quote="Trnelson" data-source="post: 1366806" data-attributes="member: 42308"><p>Looks about like typical performance to me. What twist rate is your barrel?? I've used the 123 SST from my 9 twist 6.5 Grendel AR for a few head of deer at 2540 f/s and the the 140 SST from one of my 8 twist 6.5/06 at 2970 f/s for two whitetail deer. With the slower 123g SST holding together better and punching a typical exit wound and the faster 140g SST not exiting, but grenading everything inside all the way to the off side hide. If you want to see the bullet hold together a bit better run the 140g SST from your CM or as others have accurately suggested give the Nosler Accubond a look. Different bullets do different things, it is important to try to match your bullet selection to the style of hunting you do and the expected typical range you anticipate having shots present themselves. A couple hundred feet per second less impact velocity makes quite a difference in how bullets behave. The 123g SST from my Grendel exhibited about a one inch exit wound. The farthest I have used the 123g SST was right around 380, the closest was about 30 yards. I usually try to place the bullet through the shoulders, all very similar results. The more velocity you give them the more frangible they become. That goes for both the 123g and 140g SST. </p><p>I would expect you should be able to safely reach close to 2,600f/s with the 140g SST and should have about a one inch exit wound on most shots inside of around 600 yards.</p></blockquote><p></p>
[QUOTE="Trnelson, post: 1366806, member: 42308"] Looks about like typical performance to me. What twist rate is your barrel?? I’ve used the 123 SST from my 9 twist 6.5 Grendel AR for a few head of deer at 2540 f/s and the the 140 SST from one of my 8 twist 6.5/06 at 2970 f/s for two whitetail deer. With the slower 123g SST holding together better and punching a typical exit wound and the faster 140g SST not exiting, but grenading everything inside all the way to the off side hide. If you want to see the bullet hold together a bit better run the 140g SST from your CM or as others have accurately suggested give the Nosler Accubond a look. Different bullets do different things, it is important to try to match your bullet selection to the style of hunting you do and the expected typical range you anticipate having shots present themselves. A couple hundred feet per second less impact velocity makes quite a difference in how bullets behave. The 123g SST from my Grendel exhibited about a one inch exit wound. The farthest I have used the 123g SST was right around 380, the closest was about 30 yards. I usually try to place the bullet through the shoulders, all very similar results. The more velocity you give them the more frangible they become. That goes for both the 123g and 140g SST. I would expect you should be able to safely reach close to 2,600f/s with the 140g SST and should have about a one inch exit wound on most shots inside of around 600 yards. [/QUOTE]
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Hornady SST 123gr performance on deer.
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