Grizzly gun

Solve all of your hunting problems. Buy the most powerful cartride rifle you can shoot well without flinching and can shoot with confidence and go hunt what ever and never worry again cause it wouldn't matter anyways...:dancingbanana:
 
Yup, pull out that 03 or 30-30 and go Grizzly hunting. I'm sure the Indians killed some with spears so you should have it covered.
 
45-70guide said:
Do you think a 300 H&H magnum with some heavy bullets would kill a Grizzly easy? The 300 H&H is in the power range of a 30-06-300win mag ? Or would a marlin guide gun in 45-70 be a better choice?
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Choosing a rifle for grizzly hunting, its like choosing a rifle for any other type of hunting. Pick one that can be conveniently carried in the type of country you intend to hunt, one that is quick to get into action, and that you've shot enough to be confident in, and competent with. The rifle should be mechanically reliable, it should fit you, be equipped with a sling, and with appropriate sights for the range you intend to shoot and for close range. A big game rifle without iron sights is incomplete, and if your rifle is so equipped, your scope should be mounted in QD rings. Choose a cartridge that has a trajectory that is suitable for the range you intend to shoot from. While terminal performance is important, typically you are shooting an unsuspecting animal from a distance and under those circumstances the choice of a good bullet is more important that bore size. There are many appropriate cartridges, and if you choose something between a 6.5X55 on the small side and a .375 on the large side, you can't go wrong.
 
45/70 for grizzlies

if it were my choice, 45/70 all the way, i have some nasty powerful loads for a marlin rifle if your into handloading 350 grain round nose bullets, i shoot these in my handi rifle, and i get ex 3" groups at 150yrds, and power level is about 80-85% of a 458 win magnum, let me know if you have a marlin gun, of recent manufacture, these loads will work perfect in it, recoil is a bit tough, but, it means business

as far as 300 hh, no issues with the caliber, its bullet construction that worries me when i comes to big critters such as a grizzly, you need a bullet that retains energy and bullet mass, to work well in 30 cal guns, only really good bullet i would suggest for a grizzly out of a 30 cal would be the hornady 220grn round nose, pushed at approx 2400-2600 fps, that would give sufficient thump, to get rid of mr bear, however your range is cut down drastically with that bullet, max effective range i feel would be 150-200yrds at most,in any 30 cal, though the 45 is slow in speed, it hits like a tonne of bricks, i use the hornady 350 round nose for big things in my 45, also have used 400gr speers, but their jacket is thin and not suitable for grizzlies, i have some 550 gr hard cast lead slugs im working on with loads, ill keep you posted
 
When I wrote the thread above, I had assumed the OP was looking for a hunting rifle, but it could be he was looking for a protection rifle. Should that be the case, he should choose the biggest cartridge he can shoot competently in a rifle with a repeating action that is absolutely reliable, compact, and fast handing. The sights should be suitable for target acquisition at extremely short range, and the bullet should have a wide meplat, be strongly constructed and designed to retain a high percentage of weight despite high velocity impacts on dense, heavy targets.

As to terminal performance, increases in velocity have a smaller effect on wound volume than does an increase in caliber. If bullet weight is equal, the faster bullet might very well penetrate deeper than the slower one, but penetration becomes equal if the slower bullet is heavier. If the heavier bullet produces a larger expanded frontal area due to a longer core, it will create a larger wound volume than the same caliber bullet with a shorter core.

If you choose one of the versions of an X bullet, they all expand to about 1.5X their diameter, because that is controlled by the depth of their hollow point. The amount of expansion does not increase with bullet weight as the depth of the hollow cavity is consistent within caliber. The only reasons to choose a heavier X bullet is because it happens to shoot better in your rifle or because you think the bullet has a better chance of retaining its weight with a lower impact velocity. While the original Xs and XLCs would lose petals, the TSXs are pretty resilient to high velocity impacts.
 
While both will take grizzlies if hit well, the 45/70 may have the advantage of being easier to get into action, and better (quicker) for followup shots, if the user is cool and well practised. The other big advantage is you can add bullets to the mag without opening the action and removing a shell from the chamber, and you do want a shell in the chamber if there is a wounded bear around!
 
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