Discussion in 'Handloading and Reloading' started by LR Sarge, Sep 1, 2013. I use it for hunting Whitetail out to about 500 yards as well as recreational target shooting. It looks like the ballistics are fairly close out to 500. blog) by 20 percent. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. The WSM, in the proper loadings, is pretty close to a 300 win mag. (which you can read all about on this 7mm vs. 300 Win. Thread Status: Not open for further replies. 308/7.62 … This beast provides more initial velocity than any of the previous cartridges discussed, and has proven to be an outstanding elk cartridge. Basically, the 300 RUM is capable of firing the same weight, or slightly heavier bullet at a faster velocity than the .300 Win Mag. At that time, 30-caliber bullets were inserted onto the cartridges. 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. The biggest advantage for having a 300 WSM vs a 300 win mag, is that it is chambered in a short action rifle. However, it’s a bit too much of a good thing. The .300 RUM throws a .308 diameter bullet downrange, while the .338 Win Mag throws a .338 diameter bullet downrange. I have since gone back to the 30-06, 270 win, and 270 wsm. 300 WIN MAG VS 300 PRC. So where do we stand overall with the 300 RUM vs 300 Win Mag? You can find the WSM in some fairly compact rifles. I have been comparing the 300 win mag to the 30 Nosler. I am about to have it re-barreled and want to re-chamber to either 7 Mag or 300 Win Mag. The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag, 7.62×72mm or .300 RUM is a 7.62 mm (.308 inch) rifle cartridge introduced by Remington Arms in 1999. I like 300's. I owned a 338 rum and 300 win. The .300 Win Mag rounds have an average of 80.0lb/f.s while the .300 Win Mag has an average of 77.12lb/f.s. Mag. I know that the Remington model 7 is chambered for the WSM family, for example. The 300 Win Mag still outperforms all the others with the exception of the 300 RUM and the 300 Weatherby Mag. WARNING: This post may contain material offensive to those who lack wit, humor, common sense … The lower 150 gr can take down a 200 pound target, while the 200 grain can be used for larger animals such as Moose. … The difference between the two averages remains just about constant as the rounds move downrange to the 500-yard mark where the averages for the WM and WSM are 58.2lb/f.s and 22.3lb/f.s respectively. I have read that some guys are getting great … 300 Win Mag Specs. That’s how the two cartridges compare to each other in a nutshell. Palmettostatearmory. Joined: Nov 13, 2007 Messages: 1,178 Location: Northern Pennsylvania. 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 . Quote Reply Topic: 300 Ultra vs 338 Win Mag Posted: January/22/2011 at 03:20: I just finished watching an all night elk hunting marathon on the Outdoor Channel and it seemed that most of the hunters used a 300 Ultra Mag. 300 rum brass 300 h&h mag brass 300 win mag black hills headstamp 300 win mag federal headstamp 300 win mag hornady headstamp 300 win mag mixed headstamp 300 win mag nickel 300 win mag remington headstamp 300 win mag winchester headstamp 300 wsm brass 300 wsm nickel 303 british unprocessed 307 winchester brass 308 federal headstamp 308 hornady headstamp sale!!! Ruger's M77 compacts might be also. Best powders are those in the IMR 7828, H1000 (ADI 2217), Retumbo RE 22 burn rate range. 10XSHOOTER. Where the RUM case is a 2.85-inch, magnum-length affair, the .300 RSAUM is only 2.015 inches long, with a 30-degree shoulder. Mag. • .300 Win. Mag..300 PRC.300 Winchester Magnum.300 Win. Joined Jan 10, 2018 Messages 157 Location NW Ontario. by staying with the win mag it would save me $ (not have to rechamber) plus brass would have to cheaper than wby/rum. I have a 300 Win Mag also but it is too hard on the brass, Typically I get 4-5 reloads before the primer pockets get too loose whereas 338 Lapua Brass, made by Lapua, 15-18 reloads is not unheard of. Nov 1, 2015 #4 Schaaf Well-known member. Hornady .300 PRC (left) and .300 RUM.300 Remington Ultra Mag vs. Hornady .300 PRC. A. vs. .300 WSM • .223 Remington vs. .22-250 Remington. LR Sarge Member. Remington produced the 300 Win Mag in 1999 and it was the first cartridge from the 30-caliber. 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. With factory loads the .300 Ultra Mag can produce fast effective kills on targets upwards to 900 pounds at a range of 300 yards. Joined: Sep 1, 2013 Messages: 12 Location: North Eastern PA. Mag. Both cartridges were released to the public hardly a year apart and further adds to the rivalry that has been raging. The factory loaded ammunition can produce kills on a variety of medium sized game depending on the grain. The .300 Winchester Magnum is redlined right off the bat, thanks to its belted case. 300 PRC vs 300 Win Mag. For example get a 358 Norma Mag for more punch, same case as the 300 Win Mag but a bigger bullet. Cartridge Comparison Head to Head Hunting Cartridges Rifle Cartridges Hunting Ammo Ammo Ammunition Philip Massaro. More Like This From Around The NRA {{title}} … the dif in vel. Gold $$ Contributor. On deer, it hauls enough energy (1000 ft-lbs) to take them down at 700-800 yards, while the 308 runs out of steam at 700 and really should be kept inside 500 to keep impact velocity above most bullet manufacturer’s recommended 1800 fps. It was nice to read … Joined Oct 31, 2009 Messages 3,465. Mag. 300 Win Mag vs 30-06 Cartridge. i'm having my ruger m77 mkII rebarreled to .35 whelen right now. i plan on adding a … The 300 RUM is a prime example of diminishing returns, you have to pump 15 more grains of powder in the RUM for only 200 extra FPS which at 500 yds may make a 2 inch difference in drop. a 300 Win Mag is a 7.62×67mm while a 300 blackout is a 7.62x35mm. The .300 RUM magazine from Accurate-Mag is built from steel, heat-treated and coated with a Teflon finish for enhanced wear and corrosion resistance. The 338 rum really rattled my teeth with 250 grn Partitions. Using a fat .404 Jeffery case 2.850 inches long with the 30 degree shoulder pushed well forward, Remington engineers were able to beat the case capacity of the .300 Wby. .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. Add to that the chamber’s maximum 0.315-inch throat diameter, and you’re adding the “hot dog down a hallway” effect that makes it hard to get the .308-inch bullet to enter the rifling at a consistent angle, as Quinlen explains it. ashtxsniper, Jun 27, 2008 #2. Really any of the 30 caliber magnums or PRC is a fantastic 30 mag . But like Ryan said few will realize the difference the 300 rum has with a 230 because if we are going much farther than 1000 on game, most of us will opt for our beloved 338 of choice. Therefore, 300 PRC has a slightly flatter trajectory, a little more retained energy, less wind drift, and somewhat more recoil than the 300 Win Mag. Because of this, the 300 Remington Ultra Magnum takes the point. May 29, 2019 #12 renello Active member. They are not the same. Also, unlike the 7mm RUM which struggles to better the velocities of the 7mm STW, 7mm Weatherby and 7mm-.300 Win Mag, the case to bore ratio of the .300 RUM achieves significant increases in velocity over other .300 magnum cartridges. SUBSCRIBE. ITEM CARTRIDGE Barrel life is short, and being aggressively overbore, the RUM can be finicky about accuracy. 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. Regardless of where your allegiances … The towering .300 RUM, at right, puts the .30-06 and .300 Win. 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 … The 300 win with a 215 Berger is a very good choice for a mid sized magnum. The 300 Win Mag can put the same energy on target at out to 600 yards, nearly twice the distance. I find little … Nov 1, 2015 #3 belly-deep Active member. For many years, the brand gratified customers with the 6mm, 7mm, 350, and 416 Remington Mag variants. When you can get once fired Lapua for $1.50 a case.. it's a no brainer. The comparison between a .300 Win Mag vs .30-06 cartridge involves considering the following factors – 1. 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. Seems not so many years back, the 7RM was the go to magnum hunting rifle. In regards to the 300 wsm and the 300 winmag, I've read somewhere that the wsm gets very close to the winmag as far as external ballistics go using less … I'll agree that the 300 has the edge today. is small. 300 Win Mag. More. Good jump. 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 … All Reloader Gear. 300 Win vs 300 RUM. The .300 RUM is based on a blown-out .404 Jeffery with a rebated rim, generating velocities among the highest available. Thread starter paddlehead; Start date Jan 6, 2015; Jan 6, 2015 #1 paddlehead Senior Member. That translates into a flatter trajectory, a little more resistance to wind drift, and more kinetic energy at typical hunting ranges. i guess the savage/rem 700 in .300 winmag will be my next purchase. Mag. Mag. The 300 Remington Ultra Magnum has nearly 50% more free recoil energy than the 300 Win Mag. Tarvis Member. Mag. The 300 RUM delivers 48.2 ft-lbs, a ballistic advantage over the 300 Win Mag with 32.4 ft-lbs. I have found that the .338 Win Mag, with it's heavier and larger projectiles, breaks down heavy game better than any .30 caliber. SO, basically you would go with the win mag over the wby & the rum because of throat erosion. 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. 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. Comments On This Article. They kill elk just as dead with a lot less recoil. 300 Win Mag vs 308 . 300 Win Mag.300 winchester mag cartridges were first produced in 1963. Joined Aug 23, 2013 Messages 110. Re: 300 win mag vs 300 RUM I know you guys say the rum kicks like hell.I have a 300 rum factory Rem and a 30.06 rem factory and reload both hot.The rum kicks less than the 06.the rum has the laminated stock it makes it heaver and maybe that's why its a pleasure to shoot i can shoot the rum all day long.Cant do that with the o6 it will tear my shoulder up.and i am 6'3" Not a little guy. And 270 WSM is chambered in a little more reasonable caliber compact rifles inches,. A very good choice for a mid sized Magnum Remington Ultra Magnum is redlined right off the bat thanks. Kill elk just as dead with a Teflon finish for enhanced wear and corrosion resistance available.30 caliber or! To its belted case well as recreational target shooting a 7.62×67mm while 300... 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