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Joined: Sep 2015
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OP
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I recently picked up a 458 Winchester magnum (ruger M77 Mark I tang safety)and picked up some barnes 350gr tsx bullets for it. I looked through a few manuals am leaning towards H4198 or maybe even H Benchmark (I also have both of those on hand). Anyone have any min, max loads, and oal’s to get me in the ballpark? This will be my first time loading for a big bore rifle. Any info will be greatly appreciated.
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Joined: Dec 2018
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I have a Rem 458 Rifle >>: Reloader 7>>and a ton of speer 400grainers>> and it shoots !!!!
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Joined: May 2009
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Frank Glaser,Alaska Wolfman:"with a lung shot on hoofed game the .220 Swift killed quicker than any other gun I ever owned."That included caribou,moose,wolf,and sheep.
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Joined: May 2005
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Campfire Tracker
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I recently picked up a 458 Winchester magnum (ruger M77 Mark I tang safety)and picked up some barnes 350gr tsx bullets for it. I looked through a few manuals am leaning towards H4198 or maybe even H Benchmark (I also have both of those on hand). Anyone have any min, max loads, and oal’s to get me in the ballpark? This will be my first time loading for a big bore rifle. Any info will be greatly appreciated. A serious question deserves a serious answer......... Drop about 3 grains and work up to these velocities taken in a 22 inch Model 70 barrel. 350gn Barnes TSX Bullet 75gn H 4198 = 2582fps with an OAL of 3.252" 80gn Varget = 2337fps with an OAL of 3.335" 78gn AA2230 = 2424fps with an OAL of 3.225" 76gn H322 = 2434fos with an OAL of 3.335" (Best group of .765") A .458 Winchester is a great incinerator to use up spare powder on your shelf and just about anything from Rel 7 through the burning rates to about H4320 will work satisfactorily. Just remember that your shooting determines the maximum load for you, not the top velocity in a book, because if you are under Max velocity by even 100fps or more and you can shoot it well, that will still do all you ask of this bullet weight. And, there are a very small handful of animals in a mans life that this bullet would not be ideal for. John
When truth is ignored, it does not change an untruth from remaining a lie.
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Joined: Sep 2015
Posts: 122
Campfire Member
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OP
Campfire Member
Joined: Sep 2015
Posts: 122 |
I recently picked up a 458 Winchester magnum (ruger M77 Mark I tang safety)and picked up some barnes 350gr tsx bullets for it. I looked through a few manuals am leaning towards H4198 or maybe even H Benchmark (I also have both of those on hand). Anyone have any min, max loads, and oal’s to get me in the ballpark? This will be my first time loading for a big bore rifle. Any info will be greatly appreciated. A serious question deserves a serious answer......... Drop about 3 grains and work up to these velocities taken in a 22 inch Model 70 barrel. 350gn Barnes TSX Bullet 75gn H 4198 = 2582fps with an OAL of 3.252" 80gn Varget = 2337fps with an OAL of 3.335" 78gn AA2230 = 2424fps with an OAL of 3.225" 76gn H322 = 2434fos with an OAL of 3.335" (Best group of .765") A .458 Winchester is a great incinerator to use up spare powder on your shelf and just about anything from Rel 7 through the burning rates to about H4320 will work satisfactorily. Just remember that your shooting determines the maximum load for you, not the top velocity in a book, because if you are under Max velocity by even 100fps or more and you can shoot it well, that will still do all you ask of this bullet weight. And, there are a very small handful of animals in a mans life that this bullet would not be ideal for. John Thanks John I appreciate it. In my “non” Barnes manuals I was showing a max of 72grn with H4198 in which I thought I would learn to be anemic coming from the HODGDON manual.
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I’d have to look at my load book but I want to say I used 72gr of H4198 in my old tang safety. I’m certain it was H4198 and I know I was getting 2550fps but I’m uncertain on the exact charge. The 350 Speer MagTip is a good bullet for the 458 too.
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I have some of the gummy bear Hornadys in 325. I wondered what they would do in my smaller 458 American. But the 350 X bullets would be more universal on most American game. I would like to kill a few pigs with the American, then chamber to the Win Mag and do the same. Get a feel for both calibers. Packy
Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy. Its inherent virtue is the equal sharing of misery. Winston Churchill.
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I have some of the gummy bear Hornadys in 325. I wondered what they would do in my smaller 458 American. But the 350 X bullets would be more universal on most American game. I would like to kill a few pigs with the American, then chamber to the Win Mag and do the same. Get a feel for both calibers. Packy You can still re-chamber to .458 and use the American loads as well but they will shoot to a different point. If you do one and then the other as you suggest, they are still not interchangeable to point of aim.
When truth is ignored, it does not change an untruth from remaining a lie.
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A .458 Winchester is a great incinerator to use up spare powder on your shelf and just about anything from Rel 7 through the burning rates to about H4320 will work satisfactorily. John Boy it sounds like I am in need of a 458 Win., only because I have tens of pounds of powder I can almost give away or "incinerate' in a 458W. Jerry
Si vis pacem, para bellum
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I used a lot of 350 grain TSXs in the .458 culling water buffalo. The goal was to try to get recoil down to .375 level and that was achieved. I used H4198 and seated the bullets in the second groove. 2600 fps plus; and I only stopped there because the POI was the same as the heavier bullets..
Life begins at 40. Recoil begins at "Over 40" Coincidence? I don't think so.
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