Calibers for rifle sight zeros at 150 yds, oh no…

J

Jefferry404

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Matrix sees a lot of requests for rifles sighed at 50 yds…but:)

IMG_6046.jpeg
 
My 404 was zeroed maybe an inch high at 100 meters and in Africa it was still bang on at 196 meters shooting my eland. But he was downhill (not significantly). I'm guessing my 400 gr Barnes loads are flying at ~2200 fps muzzle velocity. I wonder what velocity was used for this chart.
 
Ontario Hunter said:
My 404 was zeroed maybe an inch high at 100 meters and in Africa it was still bang on at 196 meters shooting my eland. But he was downhill (not significantly). I'm guessing my 400 gr Barnes loads are flying at ~2200 fps muzzle velocity. I wonder what velocity was used for this chart.
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Up or downhill results in shot being higher.
With farther distance and inclination exaggerating the effects
 
Sh1kar said:
I assume a scope as irons would likely have graduated leaves

S
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I was thinking calibrating the irons as you have to file the iron sight to the load at that distance.

Is that really a thing sending a rifle to someone to sight your scope in??
 
farmer_john said:
I was thinking calibrating the irons as you have to file the iron sight to the load at that distance.

Is that really a thing sending a rifle to someone to sight your scope in??
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No idea. I wouldn't. Why do you ask?

S
 
farmer_john said:
Because i was assuming it was about iron sights. Now you got me not so sure what the op was referencing. Lol
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Given the list of calibers, and their era of being popular enough to be in print together, it’s safe to go with irons. Maybe one day we’ll get to the point glass manufacturers are etching BDC reticles for those calibers, but I’m not holding my breath.
 
I’m thinking he just thought it was old and cool.

As do I.
 
Josh P said:
Given the list of calibers, and their era of being popular enough to be in print together, it’s safe to go with irons. Maybe one day we’ll get to the point glass manufacturers are etching BDC reticles for those calibers, but I’m not holding my breath.
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Most places wont even calibrate the leaf sights only the first one.
 
Big Game and Big Game Rifles
By John Taylor · Originally published 1948

The most authoritative book on the subject. John Taylor was the last professional ivory hunter in East Africa, a legend in his own time. He probably knew more about ammunition and rifles for African game than any other hunter, and he cites his own experiences in the wilds to defend his arguments about which rifle is the best to use on big game. He covers rifles and calibers for elephant, rhino, hippo, buffalo, and lion. Also covered: safeties; single vs. double trigger; double rifles; ballistics tables; sights; the .375 H&H; the "all-round" rifle; small-, medium-, and large-bore rifles; and much more. He tells great stories and gives the best advice available.
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@farmer_john
Almost becoming winter here and was down in the library getting a few books and thought this was interesting table. a pic from John Taylor’s other book on guns. I am having a 3rd 505 Gibbs smith’d and the trajectory for the 525 grain at 2250-2300 can reach out. The problem is with me as the shooter:(
 
4
Jefferry404 said:
@farmer_john
Almost becoming winter here and was down in the library getting a few books and thought this was interesting table. a pic from John Taylor’s other book on guns. I am having a 3rd 505 Gibbs smith’d and the trajectory for the 525 grain at 2250-2300 can reach out. The problem is with me as the shooter:(
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Id imagine a 505 has a nice little punch
 
that is the problem with reaching out. The cartridge and rifle can do it, but me...
Will give it a try though. In Taylor's time and before, when an elephant hunter like Arthur Neumann spends 3 years in the bush, I can understand wanting any chance on game, even a 505 Gibbs on Kudu at 150yds
 
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