Is the .375 caliber minimum for dangerous game outdated?

If legal and there was a very special circumstance involved, I think someone could come up with a dangerous game weapon less than 9.3/375hh.

God forbid, you had a child that wanted to do it as a dream of theirs and they had a life threatening illness, etc. There would be solutions to that including muzzle brakes and some clever calibers to get it done if a "proper sized" caliber wasn't medically/physically possible. (e.g. 35 whelen, 8x68s, etc.)

But for a grown adult that can figure this out, the 9.3x64 / 375HH minimum in most countries is just that, a reasonable minimum. Less is sufficient often, more is occasionally necessary. Put another way, 80% of the time they work every time. :)

In the end, probably the softest legal recoil solution that will drop buffalo with utmost sincerity would be a .404 Jeffery loaded with a slow burning powder that reduces the recoil even more with perhaps an all copper bullet that you could load down with a few less grains on powder and get the same velocity as the 400-450gr loads. (RL15?) You could probably get the recoil down to 35-foot pounds of felt recoil whereas the standard loading and average guns in 404 put it at 38-42lbs of felt recoil.
 
I do not pretend to know anything about charging Gaur, but the method you suggest for cape buffalo is not what I or most people I know would do.

A cape buffalo begins his charge head up, lowering it at the last instant to hook and batter his target. Catch him when it is up and it is relatively easy to reach the brain or spinal column with a shot in the snout. A little high it will go in around the eyes and under the boss, and little low it has an excellent chance of severing the spine at the base of the skull. Either shuts him down instantly.

If you wait until he lowers his head in the final few feet, it is impossible to put a bullet under the boss. At such an angle, one fired just ahead of the boss will simply range through his sinus cavity - thoroughly irritating him I suppose if he wasn't mad enough already. At that late point, one has to either drive a bullet through the boss to reach the brain or through the back of the neck/ or between the shoulders to break the spine.

Regardless of caliber, I would much rather that be my second and last rather desperate shot than my first.
@Red Leg Sir ,
Thank you very much for educating me about how head shots on Cape buffalo are actually performed . For Gaur , the standard tactic is to only go for a frontal brain shot when the animal is roughly five yards away from you and lowering it’s head ( in order to engage you with it’s horns ) .The point of aim is right under the region where the base of the horns meet .
 
I have shot a lot of buffalo with the 375 H&H, like the 350 gr. Woodleighs...but the .338 Win. will out penetrate the 375 as a matter of fact, Ive shot a few buffalo with the .338 and 9.3x62 and the 338 again will out penetrated the 9.3s, and penetration is first and foremost with me followed by cross section of bullet..Most big bores kill about the same as far as I can tell..My favorite DG rifles are my 450-400-3". ,my 404 Jefferys or 416 Rem. see no reason for larger calibers based on my 60 years of hunting..The 375 is legal anywhere on earth and one is not undergunned with it if he can shoot..
 
Although I love shooting buffalo with my Lott, if I had to choose one rifle it would be my M70 in .375 H&H. As to the original question, I’ll stick by my original answer that, based on my admittedly very limited experience with the caliber, I believe that the 9.3x62 will get the job done on buffalo. In my mind, that makes it a legit contender as a reasonable minimum. I cannot comment on the smaller calibers as I have not seen shot buffalo with them.
 
@Red Leg Sir ,
Thank you very much for educating me about how head shots on Cape buffalo are actually performed . For Gaur , the standard tactic is to only go for a frontal brain shot when the animal is roughly five yards away from you and lowering it’s head ( in order to engage you with it’s horns ) .The point of aim is right under the region where the base of the horns meet .
This is a picture of my son taking a buffalo in the Zambezi Delta. His first shot, at a sharp head-on angle through the chest spun and anchored him. Three subsequent shots from the right rear would not put him down. Just after this photo, the bull spun (blood flying from his nostrils), and head up choosing his target, began his charge. My son and the two PH's fired simultaneously dropping him instantly. The range at that point was 15-20 yards.

I do not have that photo because I had tossed the camera and was shouldering my own rifle! Waiting till he lowered his boss would likely have ended up with someone hurt or worse.

buff3 (2).jpg
 
With modern bullets, is the .375 caliber minimum really needed these days? Take out elephant and rhino, how many of you would be comfortable ethically hunting buffalo and the big cats with a smaller caliber?
.375 is simply THE most versatile caliber for Africa. It’s not too much for PG, can be loaded with solids for duiker sized animals, suitable for buffalo, and a well placed brain shot with a solid will down any elephant.
You ask is it really needed? Yes but you could kill any PG with a .22 if all went perfectly. I would not consider venturing after the Big 5, exception being leopard, with anything less than .375.
Thanks for the question.
Philip
 
Based upon this thread, and the many expert opinions, I have sold my .338 and used the proceeds to purchase a BowTech Assassin....... am now legal for Cape buffalo.;).....FWB
 
The legal position in Zimbabwe is quoted below from Zimbabwe National Parks Law. 9,3 x 62 might make legal energy for elephant with hot reloads.

One thing not mentioned here yet is the size of the hole made in the animal will determine how quickly it goes down. Simply put, the bigger the calibre, the bigger the hole. As clearly stated, small calibers can kill big animals but as soon as the shot is less than perfect, things go pear shaped. The bigger the hole, the better .

I also read a good article by Gunyana in a hunting magazine about animals surviving small holes through he heart and even recovering, He had evidence that .375 solids through the lower heart were survivable or took a long time to cause death. The muscle contracts and closes the hole.

A 375 bullet has 25 % more area than a 338. That is a 25 % bigger hole. Penetration is largely irrelevent as both bullets have sufficent penetration. 458 has 83% more area so much bigger hole. That is enough for me. 375 H&H is a reasonable minimum calibre and the better bullets do not suddenly make bigger holes, in fact they are more likely to make consistent deeper and slightly smaller holes as they hold together and expand consistently. Cup and core over expanded and then stopped penetrating,often breaking up.

So can a 338 be used -in Zim it is legal on Lion and smaller. Can it kill an elephant-yes, it always could. Is it a good idea ?- not in my opinion.


Third Schedule Part A Animals​

Thick Skinned, dangerous game, BUFFALO, ELEPHANT, HIPPOPOTAMUS

Any person who hunts these animals must use a weapon having a rifled barrel, propelling a projectile not less than nine comma two millimeters (.362 inches) in diameter with not less than five comma three kilojoules (3909 ft/lbs) of energy at the muzzle.

Third Schedule Part B Animals​

Thin skinned, dangerous game and heavy big game
ELAND, GIRAFFE, LION

Any person who hunts these animals must use a weapon having a rifled barrel and propelling a projectile not less than seven millimeters (.275") in diameter with not less than four comma three kilo-joules (3172 ft/lbs) of energy at the muzzle.
 
... and used the proceeds to purchase a BowTech Assassin....... am now legal for Cape buffalo.;).....FWB

You didn't read the rules carefully. There is a note: "* only for Greenpeace and PETA activists".
 
I have used a .375 a fair bit over the years. 2019 was my first experience with the 9.3x62. I am the first to admit that my data set is limited, however I honestly couldn’t tell the difference on buffalo.

My .375 is shooting a 300 gr A-Frame at 2500 fps.

My 9.3x62 is shooting a 286 gr A-Frame at 2400 fps.

I wouldn’t consider either a good choice as a charge stopper, however either appear up to the task for a well placed first shot on buffalo.

I personally shoot a .458 Lott for buffalo, but as to legal minimums on DG, I would think that inclusion of the 9.3x62, 9.3x64 and 9.3x74 as legal DG calibers in all countries would make a lot of sense.

My 9.3x62 (Rigby Highland Stalker) is a much more manageable rifle for my wife.

Those two A-Frame rounds are so close to each other I honestly doubt the buff would know the difference. The 375 is going to have more energy though, so that might be the deciding factor for the minimum (shock damage?).

For me, I’d take the 9.3x62 in my Merkel RX Helix for a few of reasons. First, with the 286 grain A-Frame at short distances that DG is typically shot at, the two calibers are a virtual dead heat with the 9.3x62 delivering less recoil (which means it’s inherently more manageable). Second, and more importantly, is the speed to follow up shots. Outside of a double rifle for speed, the Helix is the fastest cycling bolt gun I’ve ever had my hands on, and that includes the R8 (though it’s a close second once you get the cycling down). Can honestly say that by the time most have a traditional bolt going to their second shot, I’m on my third with the Helix. Lastly, ammo capacity. With the extended mag I can carry 5+1 with the 9.3x62 in the Helix. That’s a lot of lead in any animal and I doubt even a buff is going to be moving if hit with six 9.3x62 Swift A-Frame rounds, especially as fast as they can be delivered with this rifle. If one was truly worried about stopping a buff, load a couple of softs followed by a couple of solids.

Having said all of that, I’m going to respect and follow the rules of any country that I’m visiting. Pisses me off when people come to my country and don’t. If a 375 is the minimum, then I’m buying a R8 with a 375 barrel, that simple. As a client, I don’t need more than either a 9.3 or 375, my PH can carry the portable cannon. Agree that the 9.3 should be the minimum but that’s the host country’s decision.
 
The 9,3 x 62 with A Frame is just short of legal minimum at 3544 ftlbs at a velocity of 2362 ft/s.

If you can handload to 2504 fps, you will make legal minimum for Zimbabwe. Obviously you would need a solid for elephant. Maybe some reloaders can comment on whether they can realise that velocity but I have seen posts on this forum that made that velocity.

Woodleigh do a 286 gr solid so I am pretty sure you can legally hunt elephant in Zim with handloads that make the velocity above with solids and softs in 9,3 x 62.

338 Mag is legal for lion but not hippo,buffalo or elephant. IMHO it is a bit small in calibre. People will say that expansion of the bullet will make up for it but again- modern bullets with reliable expansion would make a consistent deeper wound channel of smaller diameter. Older bullets make shallower but bigger diameter wounds and are less reliable. So the advantage we have today with better bullets is the fact that they reliably penetrate straight and deep while expanding predictably-not that they make a bigger wound channel.

Bigger hole in the vitals= quick death for the animal concerned.

Assuming identical expansion or a solid, a 338 bullet makes half the area hole that a 458 bullet makes. That is enough for me to say that a 375 or 9,3 is about as low as you can go.
 

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