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Thread: 300WBY Mag

  1. #1

    Default 300WBY Mag

    I have a few Questions and am wondering if you may be able to give me some advice. Im looking into buying a 300WBY Mag and was wondering if it would do a good job on brown bear and moose. I have a hunt planed for the spring of 2007 for brown bear and just looking for advice I found a good deal on the 300WBY Mag. If you have a better choice please let me now any help would be thakyou

  2. #2

    Arrow Bigger is better in this case

    I think the 300 Weatherby is probably the best all around 30 caliber magnum going and it will certainly do the job you are wanting to do with a well placed shot and a guide backing you up that said I personally would go with a larger caliber with a good 338 win mag with heavy for caliber bullets being the minimum.If it wasn't for the problem of the brown bears I'd say go with the 300 but that problem is always there in Alaska so shoot the heavier calibers if you can handle them well if not shoot the one that you know you can place your bullet in the boiler room with that first shot will be the most important.Hope this is of some help and may you have a great hunt. Ronnie

  3. #3
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    My favorite gun is my 300 Weatherby. I have bigger and smaller calibers, but the 300 is my sweetheart. I've shot a nice brownie with my 300 and it was no problem. It's worked nicely on a few moose, too.

  4. #4
    Member MARV1's Avatar
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    Should be perfect for all around moose and bear. I have a .300 win mag and I've shot several bulls with it and won't hesitate on a bear if the need be. Shot placement is key for any animal. If it doesn't go down with one shot that hits it is operator error, at least it is what I was taught.
    The emphasis is on accuracy, not power!

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    What rifle are you stepping up from?

  6. #6

    Default 7mm

    Good afternoon, I have been hunting with a 7mm for the past few years and has worked great for me I have shot a moose and a caribo with no problems. I dont think I would want to try and shoot a grizzly or a brown bear with it tho. I was reading some articals in a magazine and the ballistics on the 300WBY looked better than the 338MAG. I now the 300 WIN mag and 300 300WBY are two different guns, I was told that the 300WBY round was a 375 round necked down to a 30 cal. If anyone nows of this I could really use the help thankyou.

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    Default .300 Weatherby History

    Well, the .300 Weatherby Mag was developed in 1944 and is actually based on the .300 H&H Mag, which was developed in 1925.

    Now the .300 H&H Mag used a very long body with modest taper and almost no shoulder. Roy Weatherby shortened the case by fire-forming the shoulder and neck into a rounded configuration, thereby increasing case capacity, and also increasing the amount of pressure the cartridge generates.

    You were basically correct in your original statement though because the .300 H&H Mag is based on the .375 H&H Mag, which was developed in 1912.

    By the way, you picked a great cartridge. The .300 Weatherby Mag is suitable for any animal in North America. Recoil is a little stiff to be shooting coyotes and pronghorn antelope, but with the right bullets it can be a hunter's one-and-only gun. You MIGHT want to substitute something a little heavier for the big bears, but I'm sure the .300 Wby Mag has taken a lot of grizzlies.

  8. #8
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    Default Wby 300 Mag

    I've got the Japanese version of the Mark V in 300 WBY and very pleased with it. It shoots straight and a great round for most game but a bit too much for deer, which I've been after more lately as they're not as much to carry - I'm not as young as I used to be to carry a moose or boo very far. If you're able to find the German Mark V, I'd go for it. I saw a sweet Colt Sauer in 300 Wby mag and wish I bought it.

    Good hunting!

  9. #9
    Member akprideinvegas's Avatar
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    yea i bought a 300 wby last fall for hunting this fall and am happy with it. mine is real touchy on the rounds i load in it though. i have not shot anything but i am shooting a 200 grain barnes triple shock. i have seen 5 moose this season and none legal yet. 2 cows and 3 bulls 1 yearling with nubs and two bulls walking togethar one with 1 brow tine on each side probably 35 inches and another with 2 brows on one side and the other side one, it was probably 45 inches and bigger. i saw him at 73 yards and did not shoot him because he was too close to being under 50... hard to pass up a big boy like that. especially being the first bulls i have seen. good luck vance

  10. #10
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    Quote Originally Posted by 300WBY View Post
    Good afternoon, I have been hunting with a 7mm for the past few years and has worked great for me I have shot a moose and a caribo with no problems. I dont think I would want to try and shoot a grizzly or a brown bear with it tho. I was reading some articals in a magazine and the ballistics on the 300WBY looked better than the 338MAG. I now the 300 WIN mag and 300 300WBY are two different guns, I was told that the 300WBY round was a 375 round necked down to a 30 cal. If anyone nows of this I could really use the help thankyou.
    Looks can be deceiving. Where the .338WM excels is with heavier than 230-grain bullets. In fact, for Alaska game the 250 grainers and heavier are what the .338WM is all about.

  11. #11
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    Quote Originally Posted by 300WBY View Post
    Good afternoon, I have been hunting with a 7mm for the past few years and has worked great for me I have shot a moose and a caribo with no problems. I dont think I would want to try and shoot a grizzly or a brown bear with it tho. I was reading some articals in a magazine and the ballistics on the 300WBY looked better than the 338MAG. I now the 300 WIN mag and 300 300WBY are two different guns, I was told that the 300WBY round was a 375 round necked down to a 30 cal. If anyone nows of this I could really use the help thankyou.
    Looks can be deceiving. Where the .338WM excels is with heavier than 230-grain bullets. In fact, for Alaska game the 250 grainers and heavier are what the .338WM is all about. The popularity of the .338WM with Alaskans is huge, right up there with the .300WM and the .30-06.

  12. #12

    Default

    Why not consider the .340 Wby Mag?

    You would have a greater range of bullet weights (if you handload), from 160 to 300 grains and lower working pressures than the .300 Wby at same bullet weights.

    There are some superb longrange hunting cartridges in .338 cal; like the Lapua and Rem Ultra Mag, but there is also the .330 Dakota to consider, and maybe the .375 H&H or the .375 Wby which is the H&H with the improved Wby shoulder (not the behemoth .378Wby!)

    Of course, if you are a "sporting man" you might try one of the .378 based Wbys. I shot a .300/378 with a muzzle brake and the recoil was less than my `06. I think the long cased rounds like the Lapua, Ultra Mags, and the .378 case variants are a bit much, but that's just me.

    I have settled on the .338/300 as my all-around AK cartridge. I don't have a chronograph (yet) but find the extra capacity of the .300 win case over the .338 win case should get me close to .340 Wby or .330 Dakota performance with inexpensive brass and more room in the rifle magazine to seat bullets further out.

    .300 Wby is a superb "all around" ctg; but, then there are Brown Bears to consider. I like the .338 bullets because of lower pressure, more weight, great ballistic coefficient values, great bullet selection, etc. Sure the .308 has more bullets to choose from, but when you are talking about "magnums" you don't have the range of performance variables you can get with a .30-06; the maggies have a more narrow "power-band" due to pressure problems with lighter loads.

    If you go .30, you will likely always be pushing the envelope.
    If you go .338, it's easier to load lighter bullets for those occasions and still have Full Power in reserve.

  13. #13
    Member danattherock's Avatar
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    Default Great Choice

    300 Wby Will Take Down Anything In Alaska. No Question About It. I Would Sight The Gun In With Some Ammo In The 200-220 Grain Area. Perhaps Loading Your Own (if You Reload) Will Get Better Accuracy. The Stopping Power Would Be Noticable Compared To A 160 Gr Or 180 Gr Round. And If You Are Shooting At Moderate Distances (out To 225 Yards) You Shouldnt Notice Much More Bullet Drop Compared To The Lighter Loads. I Have A 300 Wby Vanguard With Burris 6x24 Signature Series Scope (awesome Scope) And With Handloaded Hornady 168 Gr Bullets I Can Consistently Shoot 3/4 " Groups. Not Bad For A $400 Rifle. Play With Different Ammo If You Dont Reload. Mine Shot 2 1/2 " Groups With Some Factory Offerings And 1 1/4 " Groups With Other Factory Stuff. The Weight Of The Bullet Will Affect The Barrel Harmonics And Your Barrel Will Likely Show A Preference To One Bullet Weight Compared To Others. Off Subject A Bit, But This Caused Me Alot Of Frustration Early On. The Gun Is Much More Accurate Than I Thought At First. Experiment With The Ammo. And For Scopes, I Could Not Recommend The Burris Signature Series Or Black Diamond (which I Have On An Armalite Ar 50 50cal) High Enough. They Are Incredible Scopes And I Have Shot Them On The 300 Wby And 50 Bmg For Years With Zero Complaints Whatsoever.

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