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Joined: Apr 2011
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Campfire Savant
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Joined: Apr 2011
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How good are the old Speer Grand Slams? I came into some in a bullet lot I bought.
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Joined: Dec 2014
Posts: 9,162 Likes: 6
Campfire Outfitter
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Joined: Dec 2014
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Well, I wouldn't enter in any benchrest matches, but a good solid working bullet (my only experience is in .30-06) in my limited experience. I acquired 250 of them as a sweetener in another deal. I got a couple of "shoot throughs" on small bucks at 80 or so yards. Which makes me nervous when other deer are behind the target buck. Probably ideal in the magnums. I think ol' Bob Hagel loved 'em. But he always liked plenty of gun.
Last edited by flintlocke; 02/04/21.
Well this is a fine pickle we're in, should'a listened to Joe McCarthy and George Orwell I guess.
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Joined: Nov 2019
Posts: 794
Campfire Regular
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Campfire Regular
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Posts: 794 |
If you look at the thread (gunwriter subforum) on the Schiuchetti .30 cal bullet chart the 180 GS did very well.
Speer revised the bullet, construction-wise, at least once tho.
Bought some revised .375" 285s. Mediocre accuracy even compared to the other Speer offerings. Noticed COAL after seating was variable. That's because ogive lengths are all over the place, which has the effect of creating varying distance from bearing portion to rifling. Dunno if it's contributory, but doubt it helps.
Certainly good enough for 250 yds, as far as I'll shoot them.
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Joined: Apr 2003
Posts: 6,857 Likes: 3
Campfire Tracker
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Campfire Tracker
Joined: Apr 2003
Posts: 6,857 Likes: 3 |
160s in a 7mmRM worked very well for me on three elk. MOA accuracy, too.
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Joined: Jun 2005
Posts: 12,425 Likes: 4
Campfire Outfitter
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Joined: Jun 2005
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I'm running the old style Grand Slams in my .280 Rem. Bullet is the 160 gr. and accuracy has been excellent. I'd have found out how they worked on elk but a car wreck killed that hunt. Just depends on circumstances whether I'll do a hunt this year. Paul B.
Our forefathers did not politely protest the British.They did not vote them out of office, nor did they impeach the king,march on the capitol or ask permission for their rights. ----------------They just shot them. MOLON LABE
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Joined: Jan 2008
Posts: 904
Campfire Regular
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Campfire Regular
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a few recovered 30 cal grand slams. most were not recovered as they were pass throughs. these were from elk moose and bou. deer shot length wise was a pass through. the 2 bullets' on the far right have an interesting story. i shot an elk and on the off side a patch of hair was missing and it looked like there was a lump there so i cut out the right bullet. it is a 308 but not a grand slam and had been in the animal a while and was healed. some poking and the real grand slam was right beside it.. just against the hide. how a bullet could be in what appeared to me to be a lethal spot is hard to believe,
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Joined: Apr 2011
Posts: 152,371 Likes: 44
Campfire Savant
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Campfire Savant
Joined: Apr 2011
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I was curious, ended up with 34-150grain 270’s in a bullet lot I bought. I used 120’s in a 25-06, accurate but i couldn’t get anymore, so I switched to Ballistic tips.
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Joined: Oct 2005
Posts: 1,785
Campfire Regular
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Campfire Regular
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The 100gr Grand Slam is still the most accurate bullet to be shot out of my old .243. The "old style" really got my attention out of a factory load. When I thought my 1980's era Ruger was simply a 1 3/4" shooter at best, the Speer factory load changed my mind. Fast-forward about 35 year later, I started to handload for the old rifle and tried all the fancy tipped bullets and some not so fancy. It shot better than before, but once I dropped the "new" 100gr Grand Slam into the mix, that when my groups got to bragging size. On more than one occasion I've covered 3-shot, 100-yard groups with a dime.
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Joined: Jan 2009
Posts: 1,503
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They seemed to have a great reputation 20 years ago.
I fired some 145gn GSs in my 7x64 and couldn't get them to group under 2 1/2 - 3 inches. This rifle will put five Ballistic Tips and five RWS Twin Cores under an inch at 100m. So tried them in my 7x57 and same result.
But I have five boxes of 140gn 6.5mm and shot a nice group just over an inch from my 6.5x57. So I will load them next, after I use up the 140gn Woodleighs, and go shoot some deer and pigs this year and see how they go.
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Joined: Oct 2002
Posts: 13,512 Likes: 4
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Joined: Oct 2002
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I have tried them in several diameters. In one case accuracy was so bad I thought my scope had died. Had much better luck with the Mag Tips.
Dog I rescued in January
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Joined: Nov 2008
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Posts: 2,642 Likes: 1 |
In 1997 I shot a 275 pound Wild Boar with a 160 grain Grand Slam out of my Ruger 77 7x57. The load was 45.5 grains of W760 for about 2550 fps. 50 yards broadside the bullet punched through both side gristle plates. He made 2 jumps and fell over. I was happy with the performance.
Ron
People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf. Orwell
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Joined: May 2014
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Their first grand slams were a disaster. But they didn't take long to fix it according to MD. They've changed it again I understand. I have not tried them since when they first came out.
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: Jun 2020
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When they first came out I tried them on elk and deer. They failed to give me the results I was already getting from the Partition. I don't think I have any of them any more.
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