For example get a 358 Norma Mag for more punch, same case as the 300 Win Mag but a bigger bullet. A. 300 PRC and .300 Win Mag factory loads generally have similar muzzle velocities, but the 300 PRC shoots a heavier bullet with a higher BC. I'm sure this topic has been debated here before, but I am going to have a custom gun built and want some input. Barrel life is short, and being aggressively overbore, the RUM can be finicky about accuracy. More. Good jump. i guess the savage/rem 700 in .300 winmag will be my next purchase. the dif in vel. The 300 Remington Ultra Magnum has nearly 50% more free recoil energy than the 300 Win Mag. All Palmetto Reloading Gear/Accessories! 300 Win vs 300 RUM. Comments On This Article. In this cartridge comparison of the 7mm Rem Mag vs .300 Win Mag, we are dealing with two cartridges that each carry loyal users and often find themselves the subject of heated debate on numerous firearm forums and within hunting lodges. .300 WSM: 200: 2822: 3538 .300 Win Mag: 200: 2877: 3677 .300 H&H Magnum: 200: 2913: 3769 .300 Wby Mag: 200: 2987: 3963 .300 RUM: 200: 3154: 4419 See also.300 Remington Ultra Magnum; 7 mm caliber; List of firearms; List of rifle cartridges; Table of handgun and rifle cartridges; List of individual weapons of the U.S. Armed Forces; References. I am about to have it re-barreled and want to re-chamber to either 7 Mag or 300 Win Mag. The .300 RUM throws a .308 diameter bullet downrange, while the .338 Win Mag throws a .338 diameter bullet downrange. Both kill elk dead. .300 Win Mag vs. .300 Remington Ultra Mag. The 338 rum really rattled my teeth with 250 grn Partitions. in a whole new light. The towering .300 RUM, at right, puts the .30-06 and .300 Win. a 300 Win Mag is a 7.62×67mm while a 300 blackout is a 7.62x35mm. 300 Win Mag. 300 Win Mag vs 308 . Best powders are those in the IMR 7828, H1000 (ADI 2217), Retumbo RE 22 burn rate range. Let's look at this from a different perspective, the .375 H&H, which has long been hailed as the minimum cartridge for hunting African … Mag..300 PRC.300 Winchester Magnum.300 Win. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. Discussion in 'Handloading and Reloading' started by LR Sarge, Sep 1, 2013. Palmettostatearmory. I'll agree that the 300 has the edge today. FWIW, I have a Kimber Classic 300 Win Mag that rocks me more than a current 7 RUM...the RUM pushes, the Win Mag jolts. ITEM CARTRIDGE 308/7.62 … Tarvis Member. They are not the same. The 300 win with a 215 Berger is a very good choice for a mid sized magnum. • .300 Win. Gold $$ Contributor. WARNING: This post may contain material offensive to those who lack wit, humor, common sense … The .300 RUM is based on a blown-out .404 Jeffery with a rebated rim, generating velocities among the highest available. I find little … 300 WIN MAG VS 300 PRC. 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 .300 Winchester Magnum round exiting the barrel has energy equal to the amount required to displace 3520 pounds over the same one foot distance. So where do we stand overall with the 300 RUM vs 300 Win Mag? Joined: Nov 13, 2007 Messages: 1,178 Location: Northern Pennsylvania. Hornady .300 PRC (left) and .300 RUM.300 Remington Ultra Mag vs. Hornady .300 PRC. 10XSHOOTER. It is accurate at very long ranges - 1000 yards. The 300 Win Mag can put the same energy on target at out to 600 yards, nearly twice the distance. It looks like the ballistics are fairly close out to 500. I have been comparing the 300 win mag to the 30 Nosler. Mag. I have shot 300 RUM in identical platforms with the 7RUM...IMHO, not as 'bad' as a 300 WBY and not that noticeable between the 7RUM...hope this makes sense . Both cartridges were released to the public hardly a year apart and further adds to the rivalry that has been raging. I owned a 338 rum and 300 win. The RUM took over after that then the 28 Nosler and now since all the great 30 caliber bullets have been introduced, the 30 magnums really shine today. Since the recoil for the 300 Ultra is about the same as a 338 Win Mag and many would argue the 338 is a more versatile cartridge, why do you think so many choose the 300 … Mag. It was nice to read … The lower 150 gr can take down a 200 pound target, while the 200 grain can be used for larger animals such as Moose. All Reloader Gear. Mag. Because of this, the 300 Remington Ultra Magnum takes the point. You can find the WSM in some fairly compact rifles. With factory loads the .300 Ultra Mag can produce fast effective kills on targets upwards to 900 pounds at a range of 300 yards. Our single-stack, single-feed magazine for the .300 Remington Ultra Mag is the perfect magazine for bridging the world between hunting and tactical shooting. I have read that some guys are getting great … Also, the .300 Win. While some of the more modern cartridges have begun to outperform .300 Win Mag, it has retained its popularity because of the number of available weapons and how affordable the ammunition is. A 300 Win Mag kill elk just as dead with a 30-degree shoulder a 2.85-inch, magnum-length affair, RUM!.300 Win Mag and coated with a 30-degree shoulder Remington Ultra Mag is the perfect magazine bridging. 22 burn rate range 300 WSM vs a 300 Win vs 300 RUM vs 300 RUM WSM family, example! Well-Known member Mag variants.. it 's a no brainer in a little more reasonable.. 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