300 rum load data
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. The .300 RUM undoubtedly deserves the “Ultra Magnum” moniker, but that incredible performance does come at a price. The same goes for hunting game like blue wildebeest, kudu, and eland in Africa or game like nilgai in south Texas. That extra length means the .300 Ultra Mag must be used in magnum (instead of long/standard) length action rifles. At the same time, the 300 RUM has a slightly longer case neck than the .300 Win Mag (.306″ vs .264″). At the same time, the .300 RUM uses a rebated rim case while the .300 Win Mag does not. However, that extra recoil of the .300 RUM can negatively impact shot placement with some shooters. Note that most rifles chambered in .300 Ultra Magnum typically have a longer barrel: typically 24″ or 26″. This might not be an issue for some hunters, but typical 300 RUM barrel life is usually significantly shorter than typical .300 Win Mag barrel life. 300 Savage Load Data; 308 Winchester Load Data; 30 Thompson Center Load Data; 30-06 Springfield Load Data; 300 Ruger Compact Magnum (RCM) Load Data; ... 300 RUM Cartridge Information. There is currently a decent, but not gigantic, selection of high quality rifles available for the 300 Remington Ultra Magnum. In fact, that heavier Barnes bullet will probably cause less meat damage than a higher velocity 150gr or 165gr Barnes bullet. Fierce Firearms and Christensen Arms also manufacture some nice bolt action rifles in .300 Ultra Mag. The Lyman 50th Edition (p260-262, p263-264) and Hornady 10th Edition (p574-585, 596-607) reloading manuals provided information for the history of 300 Win Mag and 300 RUM as well as data used to compare their size. Additionally, the .300 RUM has a minimally tapered beltless case with a 30 degree shoulder. Pistol; Rifle; Cowboy; GR. However, Remington decided to go the opposite direction from Winchester: instead of building a series of short action cartridges that closely approximated the performance of popular standard length cartridges, Remington elected to design a new cartridge that was both physically larger and more powerful than the competition. Some of the smaller gun stores will probably have some on hand as well, but availability can be uneven. 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. Typical 300 RUM ballistics are a 150gr bullet at 3,450 fps (3,965 ft-lbs), a 180gr bullet at 3,250 fps (4,222 ft-lbs), or a 210gr bullet at 2,920 fps (3,975 ft-lbs). That translates into a flatter trajectory, a little more resistance to wind drift, and more kinetic energy at typical hunting ranges. For hunters who can deal with the disadvantages of the .300 Ultra Mag, it’s a fantastic choice for use on North American game like pronghorn, mule deer, black bear, elk, or moose where hunters can really take advantage of the flat shooting and hard hitting characteristics of the cartridge. For the most part, both the .300 RUM and .300 Win Mag both generally have very good reputations for reliable performance in most rifles.

Book an outstanding Africa hunting safari here. 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. 30 … The same goes for a muzzle brake. Those shooters are better suited to take advantage of the improved ballistics of the 300 RUM vs the 300 Win Mag. If you’re looking for a load with less recoil, then maybe download that 180gr load, or do the same with one of the lighter Barnes bullets? At this time, Barnes, Federal Premium, Hornady, HSM, Norma, Nosler, Remington, and Swift (among other companies) all produce 300 RUM ammo. Hi own a RUM looking for a load for smaller deer/fallow/chital. Remington's initial factory loading for the .300 RUM (discontinued) featured the 180gr Nosler Partition at an advertised 3300fps from a 26” barrel. Finally, the 300 RUM also has a higher SAAMI maximum pressure of 65,000psi vs 64,000psi for the .300 Win Mag. Simply put, burning more powder in an equally sized space will result in shorter barrel life.

ALL 110 gr 130 gr 140 gr 150 gr 155 gr 165 gr 167 gr 168 gr 170 gr 180 … 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. Those reduced loads are good options for hunters in situations who want to use their .300 Ultra Mag (like deer hunting at short range), but don’t need full power loads and the extra recoil that comes along with it. On the other hand, the fact that the .300 RUM has a rebated rim can potentially result in reliability issues with feeding. Make sure you wear ear protection if you go that route! Don’t underestimate the impact that recoil has on the ability of a person to shoot accurately either. If you’re looking for a shorter, lighter, and/or handier rifle, then you probably should choose a cartridge other than .300 Ultra Mag. 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.

Interestingly enough, both companies decided to use a larger diameter, beltless case as the basis for their projects. So, the 300 RUM does have a slight advantage in this area, but since that advantage is entirely due to higher velocity, the gap is relatively small. 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. It’s a plain and simple fact that the 300 Ultra Mag has more recoil than many hunters can handle. However, the .300 Win Mag is plenty powerful for that work and I doubt any elk will be able to tell the difference. The table below compares 180gr Nosler AccuBond (.507 BC) loads for each cartridge. These figures for the 180 grain bullet weight were later revised to 3250fps. The .300 Ultra Mag can fire the same weight bullet approximately 200-300fps faster than the .300 Win Mag.

So, what was Remington trying to accomplish when they released the .300 Remington Ultra Magnum in the late 1990s? Shoot samba well 40 over last 22 months with 180g barnes xxt 95 g ADI poder 2205. .300 RUM (Remington Ultra Magnum) - Manufacturer Loading Data. Once again, the cartridges perform pretty much like you’d expect. 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. If you can deal with the recoil and want a flatter shooting and harder hitting cartridge, then the .300 Ultra Mag might make sense for you. The 300 RUM also has about 21% more energy at the muzzle and about 24% more energy remaining at 500 yards than the .300 Win Mag. The chart below compares how much a 10 mile per hour crosswind impacts those same loads for each cartridge out to 500 yards. That said, there are real disadvantages in terms of excessive recoil and shorter barrel life that come with the cartridge. Note: while the powder capacity figures listed above do give a good indication of the differences between the two cartridges, exact case capacities vary slightly according to the brand of brass used. So where do we stand overall with the 300 RUM vs 300 Win Mag? Before we get started, I have an administrative note: Some of the links below are affiliate links. Having a properly fitted and well designed stock with a good recoil pad can mitigate felt recoil to a certain degree. As we drill down into the details of their similarities and differences though, several especially important factors emerge. That additional powder capacity is how the .300 RUM can fire the same weight bullet quite a bit faster than the .300 Win Mag. 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. This helps support the blog and allows me to continue to create free content that’s useful to hunters like yourself. This does make the cartridge a little bit more forgiving of range or wind estimation errors than the 300 Win Mag. In general, a longer neck helps hold a projectile securely and concentrically, both of which can help with accuracy. Perhaps the biggest difference between the two cartridges is the massive advantage the .300 RUM has in powder capacity though.


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