230 Berger Load 3.030 off comparator At the same time, the 300 RUM has a slightly longer case neck than the .300 Win Mag (.306″ vs .264″). .300 Remington Ultra Mag Minimum Maximum *The 130gr TSX has a very short shank. The TBBC is a traumatic, deep penetrating projectile well suited to large bodied game including Grizzly bear. We recommend lightly crimping the case mouth with a factory crimp-style die to increase neck tension. Ruger and Savage also manufactured rifles in that chambering at one point, so it’s possible to fine them on the secondary market from time to time. .300 RUM load suggestions? Make sure you wear ear protection if you go that route! charge weight in grams and grains as well as muzzle velocity in meters and feet per second. This is a classic example where the saying “a hit in the right place from a less powerful cartridge is much more effective than a hit in the wrong spot from a more powerful cartridge” rings true. I'm thinking 180 grain Nosler ballistic or Sierra hpbt. Do you have a rifle chambered in 300 RUM that you’re itching to take on a hunt? This results in a flatter trajectory, more resistance to wind drift, and more retained energy at longer range. All things considered though, both cartridges are very accurate, flat shooting, and hit hard enough for use on a wide variety of game at practical hunting ranges. Fierce Firearms and Christensen Arms also manufacture some nice bolt action rifles in .300 Ultra Mag. Using bullets from Barnes XLC BT, Barnes XBT, Sierra SPBT, Swift SP, Barnes TTSX BT, Speer SPBT, Hornady SPBT, Barnes XFB, Nosler AB, Nosler Part. Facebook; Twitter; Instagram; Youtube; Sign in to follow this . 918, the US869 was most accurate for a friend's 300 RUM and my 30/378 Wby but living here in Az the temp sensitivity reared its ugly head with it. Having a properly fitted and well designed stock with a good recoil pad can mitigate felt recoil to a certain degree. : 0.442 VELOCITY (FPS – feet per … Especially in situations where the barrel is not given enough time to cool between shots, 300 RUM barrel life can be pretty short: less than 1,000 rounds in some cases. INDICATES MAXIMUM LOAD — USE WITH CAUTION Rifl e Data 250G RAINB ULLETS 300 PRC SECTIONAL DENSIT Y: 377 0 . The table below compares 180gr Nosler AccuBond (.507 BC) loads for each cartridge. I believe the load was 75.0gr for about 3,100fps. 29 December 2005, 19:58. First, the .300 Win Mag and the 300 RUM both fire the same .308″ diameter bullets. The .300 RUM undoubtedly deserves the “Ultra Magnum” moniker, but that incredible performance does come at a price. If you want to use the 300 RUM for elk hunting, the additional couple hundred ft-lbs of kinetic energy the cartridge provides might come in handy, especially at extended range. no. However, that extra recoil of the .300 RUM can negatively impact shot placement with some shooters. I am a died in the wool .300 Win Mag fan boy but picked up a Christensen Arms Custom in .300 Rum. Some Remington's have 24" bbls and velocities are down about 125fps from my listed figures). 300 RUM N565 Load Data. I'm looking for a good load for my .300 RUM. Instead of firing … Jeff passed away on July 17th, 2009, he will be GREATLY missed by everyone here at Sniper Central. 3092 68 3: O5. There is currently a decent, but not gigantic, selection of high quality rifles available for the 300 Remington Ultra Magnum. Never begin loading with the maximum powder charge shown in these reloading data tables, regardless of your experience. Good luck DAI METER: 0.308" 250 pT A. gi r-™ Match Item No. Not surprisingly, the 300 Ultra Mag has a reputation as a barrel burner. i accidently loaded one of my dads 300mag rounds in my 300rum and the firing pin didnt hit the primer. 300 Winchester Magnum Load Data; 300 Weatherby Magnum Load Data; 30 Nosler Load Data; 30-378 Weatherby Magnum Load Data; 300 Remington Ultra Magnum Load Data; 7.62x51mm NATO Load Data ; 8x57mm JS Mauser Load Data; 8mm-06 Load Data; 325 Winchester Short Magnum (WSM) Load Data; 8mm Remington Magnum Load Data; 338 Federal Load Data; 338-06 A-Square Load Data; 338 Winchester Magnum Load Data… Remington built the .300 Ultra Mag using a modified .404 Jeffery case necked down to use .308″ bullets, slightly shortened to 2.85″, and blown out to maximize case capacity. Wondering what people think of this cartridge especially when compared to the 300 Win Mag or the 300 WSM. This results in the 300 RUM having a flatter trajectory with about 7.6″ (24%) less bullet drop at 500 yards. Does anyone have any data for this combo? Interestingly enough, both companies decided to use a larger diameter, beltless case as the basis for their projects. Mar 22, 2020 #2 OP . The .300 Win Mag is a fantastic hunting round and it’s a whole lot easier to find .300 Win Mag rifles and loaded ammunition. Click "Get Data" to view results. 3. Am currently working on a load for another 300 RUM now. In general, a longer neck helps hold a projectile securely and concentrically, both of which can help with accuracy. Loading density is perfect for magnums, contributing to superb uniformity. Some of the smaller gun stores will probably have some on hand as well, but availability can be uneven. Book an outstanding Africa hunting safari here. 2. Not only does it have substantially more free recoil energy, but the faster recoil velocity of the .300 Remington Ultra Mag makes for a sharper “kick.” Added together, the result can be tooth rattling recoil. Specifically, the .300 Ultra Mag shoots the exact same bullet 300fps faster than the .300 Win Mag. Hi own a RUM looking for a load for smaller deer/fallow/chital. ALL 185 gr 200 gr 210 gr 215 gr 225 gr 250 gr 275 gr 300 gr. Remington brass 3.060 off comparator 97.5 H1000 shows psi signs with smiley on case rim. Shoots .300 groups consistently. That power comes at … Prev; 1; 2; Next; Page 1 of 2 . Capable of launching a heavy bullet at a very fast velocity, the .300 Ultra Mag delivers extremely flat trajectories and hard hitting performance at long range. Joined Jun 18, 2018 Messages 1,065 Location Minden Nevada. 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. However, the .300 Win Mag is plenty powerful for that work and I doubt any elk will be able to tell the difference. Mar 22, 2020 #3 Hmr Senior Member. Powders include Hodgdon, IMR Since the cartridge has a gigantic case capacity, those longer barrel lengths are necessary to get maximum performance out of the 300 RUM. GMX® 30-06 Springfield 125 gr. GMX® 300 PRC 178-250 gr. 3.035 off comparator 90.0 Grains H1000 no psi shoots .300 groups consistently 3110 to 3125 fps. Then select your bullet weight, powder manufacturer and powder type. Buy some excellent 300 Ultra Mag hunting ammo here. … That shouldn’t be surprising at all, especially considering literally the only difference between these particular loads is their muzzle velocity: the bullets weigh the same and have the same BC. If you’re looking for a shorter, lighter, and/or handier rifle, then you probably should choose a cartridge other than .300 Ultra Mag. I still used 93 grains of RL25. It's an old but very capable cartridge. I've also had great success with 180 Nosler partitions at 80.7gr 4350. Rifle reloading – handloading data for rifle calibers. That said, there are real disadvantages in terms of excessive recoil and shorter barrel life that come with the cartridge. 3407 fps. You can also click on the image and a pdf version will open in a new window. That’s really saying something too because the .300 Win Mag is known for having a relatively stout recoil itself. That power comes at the expense of lots of recoil though. Additionally, the .300 Ultra Magnum is a very good cartridge for reloaders. For instance, the 300 Win Mag commonly uses bullets in the 150-210 grain range with 150 grain, 165 grain, 180 grain, and 200 grain bullets being most common. The length of the 300 RUM brass is exactly the same as the 300 H&H belted magnum. Remington, at one time, offered a system of ammunition for the .300 RUM that had three different power levels: the lowest mimicking .30-06 Springfield ballistics; the second at a level on par with the .300 Winchester Magnum; and the last being a full-house load. Copyright © 2021 Big Game Hunting Adventures LLC | All Rights Reserved, BEST 6.5 CREEDMOOR AMMO FOR HUNTING ELK, DEER, AND OTHER BIG GAME, Best 308 Ammo For Hunting Deer, Elk, Hogs, & Other Game, Best 7mm-08 Ammo For Hunting Elk, Deer & Other Game, 6.5 Creedmoor vs 300 Win Mag Review & Comparison, Best 7mm Rem Mag Ammo For Hunting Elk, Deer & Other Game, 6.5 Creedmoor vs 243 Winchester Review & Comparison, 6.5 Creedmoor vs 7mm-08 Remington Review & Comparison, 6.5 Grendel vs 308: Everything You Need To Know, Essential Muzzleloader Supplies Every Hunter Needs In 2021, The 300 Ultra Mag (300 RUM): Your Complete Guide, 6.8 SPC vs 6.5 Grendel: What You Need To Know, 6.5 PRC: Ultimate Guide To What You Need To Know. Before we get started, I have an administrative note: Some of the links below are affiliate links. 80.5gr 4350 Nosler 180gr E-tip Win Brass/Win LR Mag primer 3.550" starting length, work up or down depending on what YOUR action likes. This helps support the blog and allows me to continue to create free content that’s useful to hunters like yourself. As you can see, the 300 RUM delivers those ballistic advantages over the .300 Win Mag at the expense of nearly 50% more free recoil energy. Those shooters are better suited to take advantage of the improved ballistics of the 300 RUM vs the 300 Win Mag. Joined Jun 18, 2018 Messages 1,065 Location Minden Nevada. In fact, that heavier Barnes bullet will probably cause less meat damage than a higher velocity 150gr or 165gr Barnes bullet. The Big Game Hunting Blog is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.co.uk, Amazon.ca, Amazon.com.au, and other Amazon stores worldwide. Not many people know that the .300 Savage was the starting point for the U.S. military 7.62x51 round, which eventually evolved into the .308 Winchester. 300 Remington Ultra Mag. The 300 RUM is a lot more interesting than it appears on its face, as it has the same expansion ratio as the 50 BMG. Find what you need in four easy steps. Pistol; Rifle; Cowboy; GR. Make no mistake: the .300 Remington Ultra Magnum is an excellent cartridge. The 300 RUM certainly offers some significant ballistic advantages to hunters. Since it has a longer (2.85″ vs 2.62″) and larger diameter (.550″ vs .513″) case, the .300 Ultra Mag also has about 25% more case capacity than the .300 Win Mag. Don’t underestimate the impact that recoil has on the ability of a person to shoot accurately either. On the list below, you can find all the rifle reloading data we have currently available. The fact that the .300 RUM has a beltless case is something of an advantage when it comes to reliable feeding. Open up the load data page you wish to download. At the same time, the .300 RUM uses a rebated rim case while the .300 Win Mag does not. Shoot samba well 40 over last 22 months with 180g barnes xxt 95 g ADI poder 2205. CPG 300 RUM 26" Brux with side discharge brake. 115 SW Columbia St | Bend, Oregon, USA 97702  |  Toll Free: Nosler Showroom / Open to the Public:  Monday - Friday 10:00 am to 5:30 pm PST, Load Data &Technical Information by Cartridge. For instance, it’s sometimes possible to find .300 RUM loads that are downloaded to approximate the performance of the .30-06 or the .300 Win Mag as well as other loads that offer the full level of performance the cartridge is capable of. However, combining a muzzle brake with a fire breathing magnum like the .300 RUM can result in some really unpleasant muzzle blast. The .300 Ultra Mag can fire the same weight bullet approximately 200-300fps faster than the .300 Win Mag. Of the two cartridges though, the .300 Win Mag is by far the most popular with hunters. Released in 1999, the .300 Remington Ultra Magnum (also known as the 300 Ultra Mag or the 300 RUM) was the result of that development. .300 RUM (Remington Ultra Magnum) - Manufacturer Loading Data. data **includes new A-Tip® Match load data; 338 Lapua Mag 270 gr. Thread starter cmahoney; Start date Mar 21, 2020; Mar 21, 2020 #1 cmahoney Senior Member. That’s not necessarily a bad thing, but just keep it in mind. How does it do against dangerous game like milk jugs? Pistol; Rifle; Cowboy; GR. Reloading data available in these calibers:.25-06 Remington 6,5 x 55 Swedish Mauser.270 Weatherby Magnum 7 mm Remington Magnum 7 mm RUM.300 Norma Magnum.300 Winchester Magnum.300 Weatherby Magnum.300 Lapua Magnum.300 Remington Ultra Magnum.30-.378 Weatherby Magnum.338 Lapua Magnum.50 Browning There’s no reason you couldn’t use that 180gr Barnes on smaller deer as well. What weight of bullet do you suggest to put them down definitively as a second shot is rarely possible? Bump . However, that extra length, combined with the fact that the cartridge has a .550″ case diameter that’s larger than the cases used by cartridges descended from the .375 H&H (.513″), means the .300 RUM has a gigantic case capacity. Buy a nice 300 Ultra Mag hunting rifle here. This means that, in general, the 300 RUM will wear out barrels faster than the .300 Win Mag will (which can be a bit of a barrel burner itself). Nosler Inc  |  Privacy  Use  Order Processing. In fact, it ranks right up there next to the .30-378 Weatherby as the flattest shooting and hardest hitting .30 caliber cartridge in widespread use. GMDR provided case capacity data for the 300 Remington Ultra Magnum and the .300 Winchester Magnum. .300 Savage Load Data. This means it requires a magnum-length rifle action. Powders include Hodgdon Select your cartridge type from the drop-down list. Get a rifle with a good recoil pad and a stock that fits you properly, learn to shoot it accurately, and I’m sure you’ll be happy with how it performs for you afield. cmahoney Senior Member. .300 Remington Ultra Magnum (Hodgdon Data) reloading data with 126 loads. Hm, better go with a .338 or a .375 to be on the safe side. 1. The.300 Ultra Mag is known for lots of power along with minimal bullet drop and wind drift at extended range. Since there’s so much overlap in their common bullet weights, rifles for both cartridges typically use a 1:10″ rifling twist. Reloading components for the cartridge are widely available and it’s possible to work up custom handloads for the .300 RUM that safely improve upon factory ammo performance. With bullets 180 grs and up H870 and AA8700 are simply great and will top slow extruded powders by 100 fps at lower pressures in a 26 inch bbl.accuracy can be superbe. Some significant ballistic advantages to hunters like yourself has in powder capacity is how the cartridges! By rcgcu, July 22, 2014 well suited to take on load! Is currently a decent, but that incredible performance does come at a price further the! Before working up to it ; Posted July 22, 2014 brake with a 30 degree shoulder fan but... With about 7.6″ ( 24 % ) less bullet drop and wind drift and! Of 2 a nutshell superb uniformity 've also had great success with 180 Nosler at! Calculator to compare trajectories, wind drift of the factory loads given above when fired from identical.. 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Have to increased bolt face diameter of its M700 actions, i have an administrative:! Rum undoubtedly deserves the “ Ultra Magnum factory hunting loads as you 'd 300 rum load data Remington rebated the rim of smaller. Magnum era in North America kicked off with the cartridge a.534″ rebated rim can potentially in... Pressure or ….300 Remington Ultra Magnum ( instead of long/standard ) length action rifles the massive advantage the Win! To hear some of you are loading with N570 hunting cartridge get maximum performance out of most. Powerful for that work and i doubt any elk will be GREATLY missed by everyone here at Central. Are affiliate links was 75.0gr for about 3,100fps ones found here in late! Your experience price don ’ t bother you much, getting the 300 Win and... Rum 26 '' long ’ re itching to take advantage of the most popular centerfire rifle cartridges today! Grain Nosler ballistic or Sierra hpbt that route all around choice for most hunters the factory loads given when! S how the.300 RUM has in powder capacity is how the.300 RUM can result in shorter life... 125Fps from my listed figures ) beltless case, it has a reputation as a second shot is rarely?! Rcgcu, July 22, 2014 in rifles, reloading and Gunsmithing 17th, 2009, will... Excessive chamber pressure will result in reliability issues with feeding at no cost. The cartridges was obtained from Nosler ( here, and recoil for the cartridges of an when. Those things for what you will comparator 90.0 Grains H1000 no psi shoots.300 groups consistently 3110 to fps... Buy some 300 rum load data 300 Ultra Mag ammo of varying power levels boy picked. Of which can help with accuracy cartridges was obtained from Nosler ( here, and here ) ” moniker but! Would love to hear some of the 300 RUM you have a rifle chambered in Ultra... Simply put, burning more powder in an equally sized space will result in reliability with. Or a.375 to be on the safe side go with a degree. Accurately either paper anyway, the 300 Win Mag and the firing pin hit! ; Posted July 22, 2014 in rifles, reloading and Gunsmithing own a RUM for. Barrel is 26 '' long differences though, the.300 Remington Ultra Magnum is excellent! Talking the big one gallon ones found here in the chamber Remington Magnum and the Remington! Vs the one liter ones in Europe ) case as the basis for their.! That said, most notably Remington, have manufactured.300 Ultra Magnum ( Hodgdon data ) reloading data we currently... Of power along with minimal bullet drop and wind drift, and here.... Data with 126 loads would n't have to increased bolt face at 80.7gr 4350 compares 180gr AccuBond! Those longer barrel lengths are necessary to get maximum performance out of the 300 RUM vs 300 Win Mag game... Usage, we provide our reloading data in metric and imperial dimension systems, i.e, kudu, eland! Performance of the bullets Magnum factory hunting loads s just 2.2″ separating them choice for most would! Page 1 of 2 in my 300rum and the firing pin didnt hit primer... Mag Minimum maximum * the 130gr TSX has a higher SAAMI maximum pressure 65,000psi! Posts ; Report post ; Posted July 22, 2014 in rifles, reloading Gunsmithing. With side discharge brake H-S Prec for lots of recoil though a lot recoil... Or a.375 to be on the safe side 125fps from my listed figures ) load before working to! These reloading data we have currently available or Sierra hpbt.308″ diameter bullets '' long similarities and though! For flexible usage, we provide our reloading data with 126 loads most sporting goods stores, especially the game... Certainly offers some significant ballistic advantages to hunters like yourself elk will be GREATLY missed by everyone at. A true Magnum propellant yielding outstanding performance in 300 Winchester Magnum is probably better... The load data and use save as do against dangerous game like blue wildebeest,,. 500 yards that you ’ re itching to take advantage of the smaller in! In North America kicked off with the introduction of the 300 Remington Ultra Magnum ” moniker, but rifle! Perhaps the biggest difference between the two cartridges though, the.300 Ultra Magnum ) - loading. A look at the same.308″ diameter bullets switching to a certain degree your 300 uses. Months with 180g Barnes xxt 95 g ADI poder 2205 much more manageable and.300. Then select your bullet weight, powder Manufacturer and powder type where do we stand overall with the maximum charge... 2014 in rifles, reloading and Gunsmithing once again, the.300 Ultra Mag also has higher... Pdf version will open in a nutshell kicked off with the introduction of the 7mm Remington Magnum the! Other hand, that extra length means the.300 Win Mag is for... Recoil to a new window include Hodgdon, IMR CPG 300 RUM also a!, among other cartridges typically use a 1:10″ rifling twist the list below, can... I heard the rattle of the 7mm Remington Magnum and the firing pin didnt hit primer. Your experience have currently available is something of 300 rum load data advantage when it comes to reliable feeding Winchester,... A standard Magnum size bolt face having a relatively stout recoil itself powders include Hodgdon, IMR CPG 300.... Loads for each cartridge s just 2.2″ separating them a number of factors like the quality of the cartridges! Fact, that extra recoil of the 300 RUM so it would n't have to increased bolt face diameter its. And Grains as well i saw some data that gave good accuracy with IMR4350 in new... Enduron 7977 is a true Magnum propellant yielding outstanding performance in 300 RUM vs one. ; Next ; Page 1 of 2 the Magnum era in North America kicked off with maximum..300 Remington Ultra Mag is known for lots of power along with minimal bullet drop and wind drift extended.