Shot placement is key- with a .338 Win Mag, you can do anything a .300 Weatherby Magnum can do. In my last question I was asking about the .300 Weatherby a friend of mine ( and maybe a few posts ) suggested that maybe a .338 Win Mag would suit my needs better. You can see the heritage of these cartridges on display in the photos below. The 338 is a nice case to load for, several of my 340 Wby loads are at 338 velocity. For more detailed ballistics information please refer to the exact round in question or contact the manufacturer for the pertinent information. It kills as well as a .338 Win. If this is your first visit, be sure to There isn't much practical difference between the 300 Win. Foundry Outdoors is your trusted home for buying archery, camping, fishing, hunting, shooting sports, and outdoor gear online. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. Never cared for the .338 Win mag after the Model 70 lemon I had. .338 Winchester Magnum vs .300 Weatherby Magnum. Here you will find hunting, fishing, and survival tips from the editors of Field and Stream, as well as recommendations from readers like yourself. The two cartridges have a similar trajectory at normal hunting ranges, but typical 338 Lapua loads have 30-40% more muzzle energy. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. It kicks and the best ammo is to go with the Rem 300 Wby. There is a definite difference between the .300 Win Mag and .300 WSM with all of the .300 Win Mag rounds generating over 26ft.lbs of energy with several in the 29-32ft.lb range. .338 Winchester Magnum is a more common cartridge, I'd imagine, and would be easier to find. The .300 WSM rounds are not too far off staying in the range of 24 to 26ft.lb range. He said 338 Winchester Mag and not 300 Win mag. One thing to remember: Roy Weatherby loved flat shooting, hard hitting, fast cartidges. It has the accuracy of the 6.5 Creedmoor and the power of the 300 Win Mag… a nice combination! Generally speaking, the higher the muzzle energy, the higher the stopping power. Furthermore, the muzzle energy of a .300 Weatherby Magnum round averages out to 4070 ft-lb, while a .338 Winchester Magnum round averages out to about 3920 ft-lb. Comments have to be approved before showing up, © 2021 Foundry Outdoors - All Rights Reserved, Product successfully added to your Shopping Cart, 223 WSSM Winchester Super Short Magnum Ammo, 243 WSSM Winchester Super Short Magnum Ammo, 25 WSSM Winchester Super Short Magnum Ammo, 300 RSAUM Remington Short Action Ultra Magnum Ammo, 7mm RSAUM Remington Short Action Ultra Magnum Ammo, .300 Weatherby Magnum vs .338 Winchester Magnum Ammo Comparison - Ballistics Info & Chart. My dad has one in a Winchester Model 70, and it's only 36 inches low at 500 yards. The author analyzed six .30 caliber magnum cartridges (.300 H&H Magnum, .300 Winchester Magnum, .300 Weatherby, .300 Remington Ultra Mag., .30 Nosler, and .30-378 Weatherby) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. We offer a 100% Authenticity Guarantee on all products sold on our website. Released in 1962, the 340 Weatherby Magnum was based quite simply on the .300 Weatherby cartridge necked up to .338 caliber. But if they want to stop a magnum round, they will have to try harder than this. Don't own one but I have a .340 Weatherby. Mag. .300 Wby. That weight makes a big difference in ME with the 300 win mag doing 3500 ft-lbs at the muzzle compared to the 338 lapua’s mighty 4832 ft-lbs. The .30/06 vs. the .300 Winchester Magnum. Both are celebrated by hunters worldwide, but which one of these classic .30-caliber cartridges will come out on top It was for this reason that I purchased the Weatherby Mark V 6.5-300. 300 Weatherby all the way. The 338 Lapua has nearly twice as much recoil energy though. would probaly get the nod for penetration because it fires heavier bullets, ammo availability is probaly in favor of the Win. Again, the above is for comparative information purposes only, and you should consult the exact ballistics for the particular .300 Weatherby Magnum or .338 Winchester Magnum cartridge you're looking at purchasing. velocities in a short-action rifle. While Winchester maintained the ability to house the 3.34-inch cartridge in the long-action receiver, they … Weatherby MKV 250 Savage (24885) $1,290 00 ... Weatherby Vanguard 270 Win (24087) $790 00. This caught on like a wildfire, and among the WSM family, the .300 is, was and will be the most popular of the lot. Temps now in the upper 30’s and dropping, rain has mostly let up and most of... That Bubba, is one piece of important writing and should make even a D take into consideration it it’s importance ! Welcome to Field and Streams's Answers section. The power of both is within 100 ft.-lbs, trajectory at 300 yds are within 2 inches of each other, the .338 Win. check out the. Basically a 30-06 magnum. On average, the .300 Win Mag does have a flatter trajectory with a difference of .78” (300yds), 1.96” (400yds), 3.76” (500yds), 5.74” (600yds), and 8.54” (700yds). It takes about 4-5 grains more powder to get the additional velocity in my .30-8mm's. 338 Lapua with 300 bergers and 250 grain GameKings Another fun game of round comparison, this time pitting the ferocious 338-378 Weatherby Magnum and the military favored 338 Lapua Magnum. Mag. All statements stated concerning... Answers.fieldandstream.com is part of the Field & Stream Network, a division of Bonnier Corporation. 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