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Joined: Feb 2005
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Campfire Tracker
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OP
Campfire Tracker
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When did the SST change to a Interlock design with a cannulure? I had tried some of the earlier factory SST loads and was not super impressed with the performance or overall accuracy
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Joined: Jun 2004
Posts: 44,863 Likes: 4
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,863 Likes: 4 |
I thought the SST was always an Interlock.
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Joined: Feb 2005
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Campfire Tracker
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OP
Campfire Tracker
Joined: Feb 2005
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Maybe just cannulure is new. The older ones were smooth, like the Interbonds if I remember correctly
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Joined: Jun 2004
Posts: 44,863 Likes: 4
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,863 Likes: 4 |
It can't be all of them, I have some old ones that have a cannelure.
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Joined: Nov 2005
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Campfire Tracker
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Campfire Tracker
Joined: Nov 2005
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I used SSTs when they first came out. They had the cannelure back then in both 7mm and 308 versions. Always had the Interlock ring too. The Interbonds were always smooth.
Supposedly, the only change in the SST line was to make the copper jacket a bit thicker but that would not be visible on the exterior.
Last edited by himmelrr; 03/15/24.
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Joined: Jun 2004
Posts: 44,863 Likes: 4
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,863 Likes: 4 |
I think they increased core hardness as well.
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Joined: Dec 2005
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Campfire Tracker
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Campfire Tracker
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I think they increased core hardness as well. That is good, because the 0.277-130gr SST I used on a deer when they first came out seemed awful soft and ruined a bunch of venison.
Arcus Venator
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Joined: Aug 2022
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Campfire Regular
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Campfire Regular
Joined: Aug 2022
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Maybe just cannulure is new. The older ones were smooth, like the Interbonds if I remember correctly First ones I ever bought, 165gr SST .308 had a cannelure and that was twenty years ago or more.
"Full time night woman? I never could find no tracks on a woman's heart. I packed me a squaw for ten year, Pilgrim. Cheyenne, she were, and the meanest bitch that ever balled for beads."
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Joined: Jan 2008
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Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2008
Posts: 13,130 |
SSTs have always had it, Interbonds didnt
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Joined: Aug 2010
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 48,109 Likes: 11 |
I thought the SST was always an Interlock. According to Hornady, they always have been.
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Feb 2007
Posts: 7,759
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2007
Posts: 7,759 |
Yep, I have used SST's for many years and they have always had the cannelure (which I like) but i do think Hornady toughened the bullet up some with maybe a thicker jacket or it could have been done with a harder core..Hb
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Joined: May 2014
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Campfire Outfitter
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Campfire Outfitter
Joined: May 2014
Posts: 10,443 Likes: 1 |
The earliest SST’s were fragile, but very accurate. Evidently Hornady fixed the fragile part.
I prefer classic. Semper Fi I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally
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Joined: Feb 2007
Posts: 7,759
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2007
Posts: 7,759 |
The earliest SST’s were fragile, but very accurate. Evidently Hornady fixed the fragile part. Agreed, these are maybe the most accurate hunting bullet i have loaded, certainly in my top 3 most accurate bullets that i have used over many years and a pile of hunting bullets....Hb
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Joined: Feb 2005
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Campfire Tracker
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OP
Campfire Tracker
Joined: Feb 2005
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Good info. Thanks. The only ones I had were in factory ammo and maybe were seated past the cannelure.
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Joined: Feb 2014
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Campfire Regular
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Campfire Regular
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Posts: 949 |
Ive used the SST's for several years and have killed many many deer. No issues whatsoever with any type of meat damage when I do my part and keep them off heavier bone. As for the when did Hornady "toughen" them up? It came somewhere around the 2014 time frame or a little earlier. I found an E-mail from Hornady that was posted on the Campfire a couple years ago.
"Yes we have, from the original SST we have made changes to the jacket in thickness and internal contour to aid in proper expansion and overall performance of the bullet including some tweaking of the ogive of the bullet."
Thanks,
From: Hornady Manufacturing, Inc [mailto:webmasterhornady.com] Sent: Saturday, May 17, 2014 6:24 AM
"Pride is the only disease that makes everyone sick except the one that has it"
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Campfire Regular
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Campfire Regular
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Like the Interlocks, the key to success with the SST is don’t drive them too fast.
I shot a small buck with a 130 SST in my 270 Win with an impact velocity of 2900 fps. Hit the spine, and flopped right there about 30 yards away. I found the copper jacket against the offside hide. The bullet expanded past the Interlock ring, and the lead core separated.
Not complaining about the terminal performance, and it would have been a complete pass through if it didn’t hit bone. But it shows that in order to keep the core and jacket together the key is to not drive them too hard.
I shot a 500 lb cow Elk with a 165 SST out of my 30-06 with an impact velocity of about 2300 fps. The bullet passed through the chest, and I recovered the bullet against the bone on the left front leg. Perfect mushroom with > 75% weight retention.
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