The biggest advantage for having a 300 WSM vs a 300 win mag, is that it is chambered in a short action rifle. 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. 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!!! IN THIS ARTICLE.300 PRC vs. .300 Win. The 300 win with a 215 Berger is a very good choice for a mid sized magnum. 300 Win Mag. It looks like the ballistics are fairly close out to 500. 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. Mag. Mag. SUBSCRIBE. At that time, 30-caliber bullets were inserted onto the cartridges. I have found that the .338 Win Mag, with it's heavier and larger projectiles, breaks down heavy game better than any .30 caliber. Joined: Sep 1, 2013 Messages: 12 Location: North Eastern PA. Thread starter paddlehead; Start date Jan 6, 2015; Jan 6, 2015 #1 paddlehead Senior Member. Mag. (which you can read all about on this 7mm vs. 300 Win. Barrel life is short, and being aggressively overbore, the RUM can be finicky about accuracy. A. 300 Win vs 300 RUM. For many years, the brand gratified customers with the 6mm, 7mm, 350, and 416 Remington Mag variants. I currently have a 30-378 and am interested in a little more reasonable caliber. Basically, the 300 RUM is capable of firing the same weight, or slightly heavier bullet at a faster velocity than the .300 Win Mag. I am new to forums, but not new to guns. The .300 RUM throws a .308 diameter bullet downrange, while the .338 Win Mag throws a .338 diameter bullet downrange. I am about to have it re-barreled and want to re-chamber to either 7 Mag or 300 Win Mag. The 300 RUM delivers 48.2 ft-lbs, a ballistic advantage over the 300 Win Mag with 32.4 ft-lbs. 7mm-300 SAUM Cartridge Guide by … They kill elk just as dead with a lot less recoil. The WSM, in the proper loadings, is pretty close to a 300 win mag. 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. I'm sure this topic has been debated here before, but I am going to have a custom gun built and want some input. .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. a 300 Win Mag is a 7.62×67mm while a 300 blackout is a 7.62x35mm. 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. 300 Win Mag Specs. The .300 Winchester Magnum is redlined right off the bat, thanks to its belted case. The .300 RUM is based on a blown-out .404 Jeffery with a rebated rim, generating velocities among the highest available. Good jump. • .300 Win. 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. I find little … With factory loads the .300 Ultra Mag can produce fast effective kills on targets upwards to 900 pounds at a range of 300 yards. Mag..300 PRC.300 Winchester Magnum.300 Win. Mag. I have been comparing the 300 win mag to the 30 Nosler. It was nice to read … by staying with the win mag it would save me $ (not have to rechamber) plus brass would have to cheaper than wby/rum. the dif in vel. LR Sarge Member. This beast provides more initial velocity than any of the previous cartridges discussed, and has proven to be an outstanding elk cartridge. I have read that some guys are getting great … I use it for hunting Whitetail out to about 500 yards as well as recreational target shooting. 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. The Win Mag is popular for hunters, target shooters and LE. 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. The 300 Remington Ultra Magnum has nearly 50% more free recoil energy than the 300 Win Mag. 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. 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. 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. 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. Joined Oct 31, 2009 Messages 3,465. .300 Win Mag vs. .300 Remington Ultra Mag. 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. 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 . Really any of the 30 caliber magnums or PRC is a fantastic 30 mag . The towering .300 RUM, at right, puts the .30-06 and .300 Win. It is accurate at very long ranges - 1000 yards. ITEM CARTRIDGE Regardless of where your allegiances … Discussion in 'Handloading and Reloading' started by LR Sarge, Sep 1, 2013. Best powders are those in the IMR 7828, H1000 (ADI 2217), Retumbo RE 22 burn rate range. Seems not so many years back, the 7RM was the go to magnum hunting rifle. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. All Palmetto Reloading Gear/Accessories! It is also one of the most popular rounds for reloading, due to the number of projectiles and amount of brass available. 300 Win Mag vs 30-06 Cartridge. I'll agree that the 300 has the edge today. However, it’s a bit too much of a good thing. All Reloader Gear. Also, the .300 Win. The 300 Win Mag can put the same energy on target at out to 600 yards, nearly twice the distance. Ruger's M77 compacts might be also. 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'm having my ruger m77 mkII rebarreled to .35 whelen right now. Remington produced the 300 Win Mag in 1999 and it was the first cartridge from the 30-caliber. 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 comparison between a .300 Win Mag vs .30-06 cartridge involves considering the following factors – 1. May 29, 2019 #12 renello Active member. I know that the Remington model 7 is chambered for the WSM family, for example. I have a Sendero in 300 RUM that I have shot out the barrel on. Both kill elk dead. You can find the WSM in some fairly compact rifles. i guess the savage/rem 700 in .300 winmag will be my next purchase. I have since gone back to the 30-06, 270 win, and 270 wsm. They are not the same. Nov 1, 2015 #4 Schaaf Well-known member. More. Comments On This Article. in a whole new light. Joined Jan 10, 2018 Messages 157 Location NW Ontario. … Gold $$ Contributor. 300 Win Mag vs 308 . 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. 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 … Mag. I like 300's. That’s how the two cartridges compare to each other in a nutshell. blog) by 20 percent. Mag. The 338 rum really rattled my teeth with 250 grn Partitions. I owned a 338 rum and 300 win. That translates into a flatter trajectory, a little more resistance to wind drift, and more kinetic energy at typical hunting ranges. Joined: Nov 13, 2007 Messages: 1,178 Location: Northern Pennsylvania. by 13 percent and the Win. Hornady .300 PRC (left) and .300 RUM.300 Remington Ultra Mag vs. Hornady .300 PRC. Joined Aug 23, 2013 Messages 110. When you can get once fired Lapua for $1.50 a case.. it's a no brainer. 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. 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. 10XSHOOTER. 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. 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. 300 PRC vs 300 Win Mag. 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. 300 Win Mag.300 winchester mag cartridges were first produced in 1963. 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. vs. .300 WSM • .223 Remington vs. .22-250 Remington. Palmettostatearmory. So where do we stand overall with the 300 RUM vs 300 Win Mag? More Like This From Around The NRA {{title}} … 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. is small. 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. 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. Because of this, the 300 Remington Ultra Magnum takes the point. Cartridge Comparison Head to Head Hunting Cartridges Rifle Cartridges Hunting Ammo Ammo Ammunition Philip Massaro. 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 … 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. ashtxsniper, Jun 27, 2008 #2. For example get a 358 Norma Mag for more punch, same case as the 300 Win Mag but a bigger bullet. Both cartridges were released to the public hardly a year apart and further adds to the rivalry that has been raging. 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