Both were accurate and probably well below max. A .338 Win Mag has approximately the trajectory of a .30-06. The 338 lapua compared to the 338 edge are pretty close velocity wise. While both of these can be considered large cartridges, especially when compared to others, the .338 LM is at another level. The .338 Lapua Magnum was developed in the eighties specifically to provide Military snipers a round capable of delivering high powered impacts to targets at extended range. (If you’re looking for the best .338 Lapua rifle, check out this guide). The .338 Lapua has an excellent reputation for accuracy and has a wide variety of ammo and brass available. 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. In my 338 Lapuas I have used 92 grs of IMR 7977 with the Lapua Scenar 250 gr bullet, and 95 grs with the Hornady ELDX 230 gr bullet. Don't forget the .340 Weatherby, .338-.378 Weatherby, 8.59 Galaxy, 330 Dakota, .338 Canadian Magnum, .338 A-Square, .338 Excaliber and finally the 8.59 Titan. The .338 RUM is capable of achieving identical velocities to the .340 Weatherby and is similar in power to the .338 Lapua. The Lapua however has the edge in the quality of brass available to shooters. Plus 1^ i have a 338 Lapua and a 300 RUM, (parent case for 338 edge) and the quality and strength of the Lapua brass far outweighs any extra velocity the edge has over the Lapua. If your going with a custom barrel the only thing that will cost you more that a 338 RUM would be dies. 11 Posts . My 300AX is actually built on a Rem 700 using Seekins det. This is a big difference in reloading cost, although a straight across comparison would probably not be fair to the Lapua. The .338 Remington Ultra Magnum has a similar case capacity as the .338 Lapua Magnum and somewhat lower than that of the .338-378 Weatherby Magnum. With regards to COAL’s for long range loads, the .338 RUM is still best served with a Wyatt magazine box when using long sleek bullet designs. These are all powerful .338s and they ALL suffer the same thing, brass availabilty. Improving a RUM case, I'm not sure you gain a whole lot over the non improved RUM so for me, I don't think it would be worth it. Need some feedback on these 2 guns. Nosler ammo is surprisingly weak, with the RUM running 2850 with the 250gr Accubond and 2600 with the 300gr Accubond. Another .338 that is a little off the norm is the .338 Norma mag. 375 H&H or 338 Lapua wich is better for For the big boys up close, go with the .375, lots more stopping power than the .338. Price comparisons Which Variable Power For 308 Rifle And 338 Rum Vs 338 Lapua PDF I personally think this is too much of a good thing, but it may be up your alley. Moderated by RickBin , … If you’re looking at these two rounds, the 338 RUM and 338 Edge are both worth looking at as well, but for today, I’ll just be focusing on the Lapua and Weatherby 338’s. 338 RUM vs. 338 Lapua Mag Posted by niceguy0777 on Mar 12 2006 Howdy Folks! Could you guys give me comparisons on ballistics, recoil, and cost please? It will feed from a standard magnum action with high BC bullets and give you almost identical performance as the 338 Lapua Mag. Anyone have an opinion on the rum vs the Edge? The .338 RUM uses a .534-inch bolt face while the LAPUA requires a .588-inch bolt. Ballistically, the 338 Edge is similar to 338 Lapua in every respect. According to the Finnish army’s testing, their rifles maintained 1 moa accuracy at 1000 yards for 4000 rounds. He hunts all big game including bears and sometimes the cape buffalo. High quality brass (Lapua) is easily obtainable and barrel life is really good. If the RUM is what you want, go for it. This is a pretty big deal and that’s a really long shot. Then there is the .338/378 Wby. .338 Lapua Magnum: A Brief History. I was considering a 33 Nos but lack of brass options has me going with either a 338 rum or edge Looking to shoot a 265 ABLR around 2950 in a 26" barrel, I have an action cut for a 4" box so I can throat accordingly. When you improve the 338 Lapua case you get a pretty sizable increase in case capacity, so for me, it definitely makes the extra work, worth it. This difference makes actions capable of accommodating the Lapua more expensive to build. There is the 338×57 O’Connor, .338 Lapua Magnum, .338 Winchester Magnum, .338-06, .338 Remington Ultra Mag, and Shawn Carlock’s .338 Edge… However, there is one 338 cartridge that is relatively new and impressing all who have had the opportunity to shoot it, and that’s Jim Sloan’s 338 … The .338 is also able to be fitted with much heavier bullets than the .300 Win Mag rounds. 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. If you seeking special discount you may need to searching when special time come or holidays. The .338 is also able to be fitted with much heavier bullets than the .300 Win Mag rounds. The designer of that round proved that he could duplicate the speeds of the 338 Lapua in identical barrel lengths, but was able to use a shorter action which helps reduce weight a good bit, thus making the rifle more mobile. I have decided to buy a new rifle and couldn't decied on a 338rum or a 338 lapua mag. We have kept some of these variables as constants to better compare the two cartridges. It is a really powerful cartridge and I keep it for Alaska and African plains game. At the hands of an experience long range shooter like Shawn, the 338 Edge is very deadly on game even at extreme ranges. I congratulated the poster and mentioned that making a hit a mile with the .338 Lapua Magnum (.338 LM), which I’ve taken out to 1065 yards, is on my bucket list. Ok last 338 post.. My dad's friend hunts with a .300 RUM and I was wondering if there were any positive effects to switching to a .338 Lapua. The poster responded noting he didn’t know much about .338 LM and bet it would put his 6.5mm Creedmoor (6.5 CM) to shame. Just look at the amount of powder that can be loaded into the .300 Win Mag vs .338 Lapua Magnum. The 338 edge is a 300 RUM necked up (bit more case capacity than the 338 RUM). THAT is it. The edge might go to the 338 Lapua if you were into hobknobbing with the sniper crowd and the Lapua brass is definitely the best. The 338 RUM, and 338 Edge (wich uses 300 RUM brass) can be had for around $80 for 100pc. This is a big difference in reloading cost, although a straight across comparison would probably not be fair to the Lapua. Im a big fan of H1000 and hope it'll get me there in a rum. All the others are in the same ballpark. The 338 edge +p is a defensive edge only option. Surprisingly, they load the .340 at 2540 with the 300gr Accubond and load the .338 Lapua at 2650 with the 300gr Accubond. 338 Lapua Rifle Barrel Length And 338 Rum Or 338 Lapua is best in online store. Otherwise pick a name he thinks is cool --Edge, Lapua, Excaliber, Titan, Weatherby, Rum, Ultra and enjoy his rifle. If I was starting new I'd go 338 lapua, the brass is available and better. I know they have similar bullet ballistics, but i have heard great things about the lapua and how it can reach out to 1500 meters. For my purposes which is having a long range (which for me is less than 800 yards) caliber with a lot of smack down for hunting, the 338RUM is all I need. The .338 Lapua Magnum (8.6×70mm or 8.58×70mm) is a rimless, bottlenecked, centerfire rifle cartridge.It was developed during the 1980s as a high-powered, long-range cartridge for military snipers.It was used in the War in Afghanistan and the Iraq War.As a result of this, it became more widely available. Downrange performance can be summarized with two statistics: maximum point blank range (MPBR) and retained energy at that range. It is a beltless, rebated rim cartridge based on the .300 Remington Ultra Magnum case shortened .090" and necked-up to accept a 0.338-inch (.338 caliber) bullet. The reason I went with the .338 Win Mag over the .300 Win mag was all the people I hunted with in Alaska use a .338 Win Mag. 338 Lapua magnum vs a Level IV body armor plate provided by RMA. Seems to me that depending on who is loading, the RUM, Wby, and Lapua are all within 50fps of each other. The 338 Lapua wins due to ease of acquiring brass. .338 Lapua VS .300 Remington Ultra Mag? Here's Shawn's dad shooting an Elk at 1314 yards with one of his rifle. I will call in short word as 338 Lapua Rifle Barrel Length And 338 Rum Or 338 La 338 Norma. mag system. There is a member on LRH that has 15 firings on his 338 Lapua brass, expect around 4-5 firings on Remington brass and 15+ for Lapua. The Case The Lapua comes with a case capacity of 114.2 gr of water, while the 338-378 Weatherby holds 9.5% more at 125 gr of water. In your situation I'd just go 338 edge and get a new barrel. 338 LM gets my vote. Plus the 338 lapua improved gets you more velocity and out paces anything based on rum brass. The 338 RUM, and 338 Edge (wich uses 300 RUM brass) can be had for around $80 for 100pc. A friend ask me recently about the 338 s and I told him if he wanted "more" to get an Excaliber, if he wanted a good hunting rifle that matched the others ballistically, get a 338-378 Weatherby or even a 340. And for that expence you get a nice little gain in the fps department! 338Win Mag Vs 338 Lapua … .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. Discussion Starter • #1 • Jan 11, 2008. Recoil on my 338 LM rifle is surprisingly tame with a muzzle brake. This is the only plate tested to stop 5 rounds of 30-06 M2AP. The .338Lapua is a good cartridge for big game, but only if you are planning on surveing an area, spot and stalk, and taking the game from a distance, where you won't be forced to stop a close charge. 31 Comments on 338 Win Mag vs 338 Lapua Mag I’ve found a lot of people finding my site when searching for differences between the 338 winchester magnum and the 338 Lapua Magnum and I wasn’t too pleased with some of the other results, so I thought I’d lay out all the differences in one spot. 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