Mag. Winchester used the Jeffery case for its .300 Winchester Short Magnum, released in 2001, giving .300 Win. Mag. The 338 is a nice case to load for, several of my 340 Wby loads are at 338 velocity. Generally speaking, the higher the muzzle energy, the higher the stopping power. All times are GMT-5. Mag. would probaly get the nod for penetration because it fires heavier bullets, ammo availability is probaly in favor of the Win. of energy at the muzzle, the .340 Weatherby is a serious cartridge which will test the mettle of any bullet, as well as test the abilities of any shooter. 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). The .30/06 vs. the .300 Winchester Magnum. .300 Wby. It was for this reason that I purchased the Weatherby Mark V 6.5-300. He said 338 Winchester Mag and not 300 Win mag. I have a couple 30-8mm Rem. Mag. As a rule of thumb, when it comes to hunting, muzzle energy is what many hunters look at when deciding on what caliber of firearm / ammunition to select. Developed for military snipers to bridge the gap between .300 Winchester Magnum and .50 BMG, at first glance, the .338 Lapua seems to define “over kill” in a hunting cartridge. Shot placement is key- with a .338 Win Mag, you can do anything a .300 Weatherby Magnum can do. I shied away from the Weatherby's for many years based on hearsay of others and my poor experience with the .338 Win Mag. The two cartridges have a similar trajectory at normal hunting ranges, but typical 338 Lapua loads have 30-40% more muzzle energy. Mag. I did some bench comparisons of the two. The difference is that the 300 win mag will do it with a 180 grn bullet, whereas the 338 lapua will do that with a 250 grain bullet. Calculations were corrected to standard temperature (59F/15C) and pressure … Please consider publishing a comparison of the 6.5–300 WBY with the 300 Win Mag. Mag's (basically the same as a .300 Weatherby) and they run 3100fps with 210's where most .300wm's run 2950-2975fps. The power of both is within 100 ft.-lbs, trajectory at 300 yds are within 2 inches of each other, the .338 Win. This caught on like a wildfire, and among the WSM family, the .300 is, was and will be the most popular of the lot. It has the case capacity to launch the heaviest .338 caliber bullets (300 grain) at useful velocities and is a stellar long-range cartridge for large game. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle Never cared for the .338 Win mag after the Model 70 lemon I had. Remington produced the 300 Win Mag in 1999 and this is also the first cartridge of the 30-caliber 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. 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. jhjimbo.... you are mixing apples with lemons, boy! Mag. You are right, unless you know how to handle the .300 Roy, best stick with a lesser adequate cartridge. It depends on what you intend to do with it. The 300 Weatherby is a fabulous cartridge, however many folks I have seen using it would be better served with a tamer round. Both are celebrated by hunters worldwide, but which one of these classic .30-caliber cartridges will come out on top If the most common cartridge in Alaska is the 338 Win Mag, that alone should tell you something. That is to say, .300 Weatherby Magnum bullets travel 3.7 times the speed of a 737 airplane at cruising speed, while .338 Winchester Magnum bullets travel 3.2 times that same speed. It kicks and the best ammo is to go with the Rem 300 Wby. Either of them would be better long range performers than the 338 Win. 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 ! All statements stated concerning... Answers.fieldandstream.com is part of the Field & Stream Network, a division of Bonnier Corporation. 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. You can see the heritage of these cartridges on display in the photos below. Both are fine calibers. As illustrated in the chart,.300 Weatherby Magnum rounds - on average - achieve a velocity of about 3230 feet per second (fps) while.338 Winchester Magnum rounds travel at a velocity of 2820 fps. This page was generated at 08:41 PM. What was the name of the Lone Ranger's nephew's horse? Beyond 300 they start to shine but there are 7 mm's with their higher BC bullets that will out perform either. The 338 Lapua has nearly twice as much recoil energy though. Weatherby Ammunition 338/378 Weatherby Magnum 250 Gr Nosler Partition (20pk) $270 00 Save $70 00. But if they want to stop a magnum round, they will have to try harder than this. I have looked at the .338 win mag recoil charts ( for my boy ) and seen that it kicks similar overall. We offer a 100% Authenticity Guarantee on all products sold on our website. They’ll both launch a bullet at 2950 fps. 300 Win Mag vs 338 Lapua The 338 Lapua shoots larger diameter and heavier bullets that are generally more aerodynamic than the bullets the 300 Win Mag uses. 300 Win Mag vs 338 Lapua vs 338 Win Mag: Picking The Right Heavy Hitter. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Winchester Magnum ammo rounds. Foundry Outdoors is your trusted home for buying archery, camping, fishing, hunting, shooting sports, and outdoor gear online. Wby ammo is $60.00 and up and some C&C 338 Win ammo is cheaper and easier to find than 300 Wby. Our website lists special deals on 9mm Ammo, 10mm Ammo, 45-70 Ammo, 6.5 Creedmoor ammo, 300 Blackout Ammo, 10mm Ammo, 5.56 Ammo, Underwood Ammo, Buffalo Bore Ammo and more special deals on bulk ammo. Both cases were new unfired. 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. Magnum 165 Grain Nosler Ballistic Tip ( 20pk ) $ 173 00 at a cruising speed of 600 mph or. 24087 ) $ 790 00 and cost ( 24087 ) $ 270 Save... The 338 is a 33 cal Magnum that just punches a bigger hole than the 300 Win Mag vs Lapua! 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