However, when Remington did finally release a .338 RUM it differed from Carlocks design, being slightly shorter in the body than a .338-300 RUM wildcat. The .300 Lapua Magnum (7.62×70mm) is a specialized rimless bottlenecked centerfire cartridge developed for long-range rifles. I box of shells in any position but sitting at a bench, is fun. Additionally, the case itself is much shorter than the 300 RUM as is the shoulder location. Ammo is going to be easier to find and cheaper to procure than the RUM's… Better ballistics and accuracy compared to most .50 cal alternatives and a much lighter rifle. 338RUM vs 338 Lapua: Post Reply : Author: Message Topic Search Topic Options. Nov 20, 2016 - This post summarizes the results for the recoil tests ran on 20+ muzzle brakes using two 30 caliber ... More information 300 Win Mag vs 300 Norma Mag vs 338 Lapua Mag The .338 Winchester Magnum, introduced in 1958, set a performance level for the caliber that most subsequent .338 cartridges have struggled to exceed. The shoulder location is very close to that of a 338 Lapua. 30-338 Lapua Improved VS. 300LRH vs. 300 RUM. 588, vs. .534 for the RUM Performance wise, they seem to be pretty even slightly longer OAL on the Lapua So, some of the things I'm wondering about: best receiver for this build? JDorsey . This would be for over 1200 yds out to 2K. The author analyzed six .338 caliber magnum cartridges (.338 Winchester Magnum, .340 Weatherby, .338-378 Weatherby, .338 Remington Ultra Mag., 33 Nosler, and .338 Lapua) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. I love the 338 but if I can get by with less recoil and cost why not.. Its efficient case produces near .300 Weatherby performance. Savage 110 .338 lapua 225 gr. The recoil too much and wear out barrels to fast. But, a 3/4" 5rd group shooting a 250gr bullet with 78gr of xmr4350 will do that from a 9lb non-braked rifle resting on a rucksack. (CIP is the European equivalent of SAAMI.) The 338 Lapua is the cartridge to go to past 1000 yds - without a doubt. I shoot 300 grain Siera Matchkings with my 338. They are devastating to game. With a 200 grain bullet, it likely would have scored equal to or below the .300 Weatherby. Find Members Posts. February 16, 2020 at 9:20 pm. Send Private Message. Both would have a +P … He hunts all big game including bears and sometimes the cape buffalo. Optics GrassHopper Joined: June/02/2010 Location: Fayetteville, W Status: Offline Points: 9 Post Options. 300 Winchester magnum and 338 Lapua magnum are both more than capable of taking down any game animal in North America at most any distance you’ll see them at. 338 Lapua vs 300 Win Mag. According to the Finnish army’s testing, their rifles maintained 1 moa accuracy at 1000 yards for 4000 rounds. Could you guys give me comparisons on ballistics, recoil, and cost please? SSThit low but did not matter 210 yards The .338 Win. Carlock set about creating a basic .338-300 RUM wildcat, eager to obtain data and study its potential while expecting the same cartridge to be formalized as a Remington Chambering. 338 Lapua vs 300 PRC ... Recoil on my 338 LM rifle is surprisingly tame with a muzzle brake. - 300 Win.Mag. Quote JDorsey. The wind has a hard time pushing that heavy bullet around. Mag., .338 RUM, .338 Lapua Mag. Gonna go Lapua, RUM or Edge? 300 RUM vs 338 Edge. Nov 8, 2011 #2 . shoey. Printable Version. S ... That way you have a rifle that will shoot at long ranges without the recoil that comes with the .300wm and .338 lapua. Post author By Adriel; Post date August 3, 2012; 8 Comments on 338 Lapua vs 300 Win Mag; Just as a foreword: this is a totally bunk comparison. Some guys think that these big 30s are great 1000 yd guns when chambered in heavy rifles. Good Luck. Create New Topic . Chad says: November 19, 2016 at 7:30 am. I already have a custom 6.5 CM and a Custom 22 BR. 300 NORMA MAG VS 300 PRC. However, five current commercial cartridges have surpassed the .338 Win. With the anticipation high for the new 245and 329, I am trying to decide between the 300 RUM for the 245 and 338 Edge forthe 329. 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. Two, it uses a non-standard in the U.S., Lapua-sized bolt face, which limits the number of actions that it can be chambered in. Then there is the .338/378 Wby. In true Weatherby fashion, the .340 generates velocities almost 300 fps faster than the .338 Winchester Magnum, and brings a correlative amount of recoil as well. I’m averaging 2781fps with hand loaded ammunition for the 338 LM, 300GR SMK. Lots of snap and twsit. best twist rate? 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. Translate Topic. No one yet offers this cartridge loaded with 200 grain AccuBonds. The 180 grain tested produced less recoil. (If you’re looking for the best .338 Lapua rifle, check out this guide). .300 Win Mag projectiles are 7.8mm in diameter, and the cartridge is 3.34 inches long. Over 1200 yds out to 2K you start putting in trigger time your shoulder will you... When chambered in heavy rifles LM rifle is surprisingly tame with a muzzle brake what you want, for! But twisted much less 200 grain bullet, it ’ s testing, their rifles maintained 1 accuracy! One, it ’ s testing, their rifles maintained 1 moa accuracy at 1000 for! Long-Range rifles areas where i can get by with less recoil and cost please 1 - of... 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