As such, the following is for comparative information purposes only and should not be used to make precise predictions of the trajectory, performance, or true ballistics of any particular .300 Weatherby Magnum or .338 Lapua Magnum rounds for hunting, target shooting, plinking, or any other usage. Shooting a hunting weight rifle in 338 Lapua is not a fun experience (mine had no muzzle brake or recoil pad). Wind drift and drop are both less critical with that extra speed. That’s splitting hairs for on-game performance, but makes a pretty big difference for long range shooting. That’s about a 20 percent increase in case capacity. Weatherby’s cases are also fairly readily available and are pretty close to the same price: $3.50/case for 338 Lapua vs $3.50/case for Weatherby 338-378 depending where you pick them up from. True .300 Weatherby Magnum and .338 Lapua Magnum ballistics information can vary widely from the displayed information, and it is important to understand that the particular characteristics of a given round can make a substantive difference in its true performance. "Bob" Thomson. welcome to usa online shopping center. I shot one deer with it. Weatherby and lapua brass is very expensive, 338 RUM or edge would be much less expensive brass. Why is the .338 Lapua Mag more popular than the .338-378 Weatherby Mag? In a similar manner to the .338 Lapua, the .338-378 employs a full .579” diameter case rim rather than a standard magnum rim diameter of .532” as is found on the likes of other common magnums including the rebated rim RUM and WSM cartridge designs. 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. Calculations were corrected to standard temperature (59F/15C) and pressure … as I said, any round not being used by the a military is legal for the laws I've seen. Need some feedback on these 2 guns. 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. Now let’s go. That means it is a whopping big cartridge case. So a .300 Weatherby Magnum round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 4070 pounds through a one foot distance, while a .338 Lapua Magnum round exiting the barrel has energy equal to the amount required to displace 4830 pounds over the same one foot distance. Furthermore, the muzzle energy of a .300 Weatherby Magnum round averages out to 4070 ft-lb, while a .338 Lapua Magnum round averages out to about 4830 ft-lb. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. 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 Lapua Magnum Ammo Comparison - Ballistics Info & Chart. Reloading 2495 /22- 250 338 338 Caliber 338 Lapua 338 Lapua/416 Rigby 338 Marlin Express 338 Remington Ultra Magnum 338 Ruger Compact Magnum 338 Winchester Magnum. Brass. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. Just look at the amount of powder that can be loaded into the .300 Win Mag vs .338 Lapua … The .338 is also able to be fitted with much heavier bullets than the .300 Win Mag rounds. 300 Win Mag vs 338 Lapua vs 338 Win Mag: Cartridge Sizes The shared heritage of the .300 Win Mag and .338 Win Mag, as well as the unique roots of the .338 Lapua, is obvious in the photo below. 43 0 0. .340 Weatherby and .338 RUM, 6.5%.338 Lapua, 7.4%.338-378 Weatherby, 10.9%; The only practical reason for designing a cartridge to drive a given weight bullet faster is to enhance the downrange performance of the bullet. With 250 grain bullets, the Win Mag is pushing 2650, while the Lapua is just short of 3000 fps. 5:19. Please click the above links to take a look at all of the .300 Weatherby Magnum and .338 Lapua Magnum ammo we have in stock and ready to ship, and let us know any parting thoughts in the comment section below. One way to think about this is as such: a foot-pound is a unit of energy equal to the amount of energy required to raise a weight of one pound a distance of one foot. Please email us if you have questions about any of our product listings. That is to say, .300 Weatherby Magnum bullets travel 3.7 times the speed of a 737 airplane at cruising speed, while .338 Lapua Magnum bullets travel 3.3 times that same speed. Weatherby 338 Lapua Vs Savage And 458 Socom Upper Build Kit is best in online store. Need Help Filtering. We have a variety of deals on Rifle Ammo, Handgun Ammo, Shotgun Ammo & Rimfire Ammo, as well as ammo for target practice, plinking, hunting, or shooting competitions. Pour autoriser Verizon Media et nos partenaires à traiter vos données personnelles, sélectionnez 'J'accepte' ou 'Gérer les paramètres' pour obtenir plus d’informations et pour gérer vos choix. 338-in and Lapua from the Finnish company that developed the round. it's illegal to own a firearm chambered for any military used cartridge, so the .338 lapua magnum and the .408 cheytac are illegal, but thee 460 weatherby might be legal. So let’s do that together, whether the target is attached to a metal stand or on four hairy legs. The .460 Weatherby Magnum is a belted, bottlenecked rifle cartridge, developed by Roy Weatherby in 1957. Elephant Guns AR-50 577 T-REX 460 Weatherby 338 lapua AR-30 458 Lott 45-70 GOV'T - Duration: 5:19. coolguywithgloves2 23,688 views. For more detailed ballistics information please refer to the exact round in question or contact the manufacturer for the pertinent information. The original .378 Weatherby Magnum parent case was inspired by the .416 Rigby. The .338 Lapua Magnum, .338 Lapua Sniper, or 8.6x70 mm are the same cartridge as the .338 Lapua developed in 1984 by the Finnish Lapua Cartridge Factory. Quick question! The .460 Weatherby Magnum was designed as an African dangerous game rifle cartridge for the hunting of … When you compare the .339 lapua with the .338 lapua magnum, you must know that the cartridge is the same in both. 338 Lapua Magnum Cartridge is for you!. My 28” #3 contour barrel is hand-lapped, free-floated and cut-rifled to extract top velocities and energy from .30-378 Weatherby Magnum, .338 Lapua Magnum and .338-378 Weatherby Magnum chamberings. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … The .338-378 Weatherby cartridge uses the .378 Weatherby case, necked down to take a .338 bullet. 11 Posts . The .338-378 Weatherby Magnum started out as the wildcat cartridge, .338-378 Keith-Thomson Magnum during the early 1960s.Keith and Thomson are Elmer Keith and R.W. Mar 7, 2009 #1 . Weatherby Customer Service representatives are available to assist you: Monday through Friday 8:00 a.m. to 5:00 p.m. (MDT) Visitor/Service Center 9:00 a.m. to 4:00 p.m. (MDT) Customer Service (307) 675-7840. The .340 Weatherby Magnum makes about 100fps less velocity than the Lapua, but with 15-20% less powder..338 Weatherby fires a 160gn at 3600fps, the Lapua at 3500fps. With 300 grain bullets, the win mag throws them at ~2300 fps, whil… Weatherby Rifles new for 2018 at SHOT Show - … Yahoo fait partie de Verizon Media. Search for Weatherby 338 Lapua Vs Savage And Whats Bigger Than A 338 Lapua Ads Immediately . Weatherby ammo is similarly expensive and only a few places load for it. 338 Lapua is not a fun experience ( mine had no muzzle brake or recoil ). 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