Wanting .458 win mag chronograph results of factory

Professor Mawla

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bruce moulds

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so do i, but it was only a chrony.
it fell more slowly than expected.
bruce.
 

Forrest Halley

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Thanks so much for reminding me that I have a .458 which hasn't been fired for several months. Pity that I am 5,000 miles away and it will be a while.
 

BenKK

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@BenKK
Was the Federal round loaded with a 500 grain Woodleigh Hydrostatic monolithic solid bullet or a 500 grain bronze jacketed Trophy Bonded Sledgehammer Solid bullet ? And how old are the Federal rounds ?

No, not Hydros. Not sure what they are, I’ll see if it’s written on the box. I bought both boxes at the same time a few years ago, not sure how long they were sitting at the shop.
 

BenKK

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@BenKK
Was the Federal round loaded with a 500 grain Woodleigh Hydrostatic monolithic solid bullet or a 500 grain bronze jacketed Trophy Bonded Sledgehammer Solid bullet ? And how old are the Federal rounds ?

They’re Trophy Bonded Bear Claw softs, 500 grains.
 

Nhoro

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Restores your faith in suppliers and humanity ! 458 Win mag rounds doing what it says on the box.
 

ChrisG

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Restores your faith in suppliers and humanity ! 458 Win mag rounds doing what it says on the box.
Not for factory rounds, but I just chronographed my whitworth yesterday with 72 grains of Win 748. 500 grain hornady solid, 24" barrel was giving me 2,125 fps at the muzzle. No pressure signs at all. This was a magnetospeed chronograph. Temp here was 91°F and the rounds had been sitting in my car for a bit. So... some real chronograph data for this thread.
 

Mark A Ouellette

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I measured the velocity with a Lab Radar of Nosler Safari ammo in .458 Win with 500 gr solid (brass, I believe) bullets.

Results were:
Average velocity: 2139 FPS
Extreme spread: 13 FPS

Shot with 25" barrels, Heym 88B
 

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