The RUM was designed to produce ultra high velocities to meet the growing demand for long range hunting rifles and cartridges. Latest. We are interested in how long these rounds can maintain supersonic flight because it influences the calculations you will have to make to be accurate with long range shots. We think the 168gr bullet is a great weight for hunting purposes as it has a manageable recoil. The fact that both are still used and still a topic of debate should give you an idea that both can be highly effective rounds in the right hands and the right situations. I have shot most of my stuff with a .300 Win mag and it has never failed me. Very knowledgeable comments. Mag. Latest. As an example, 150 grain and 175 grain .284″ bullets have sectional densities of .266 and .310 respectively. Let’s take a look at the larger sample set and see how the two compare. In our opinion, you can become accustomed to any recoil within reason it still stands that certain amounts can cause you to flinch or close your eyes before a shot. The .300 Winchester Mangum has more ammunition available—as it leads a dual life, in both the hunting world and long-range target world—but every major ammunition manufacturer offers a selection of 7mm Remington Magnum ammo. We put 3 popular cartridges to a head-to-head-to-head test. By Ron Spomer. Heck, one person’s results can be different from day to day. It fits actions designed for 30-06-length cartridges. Next Last. Instead, we want to present the numbers and discuss any strengths and weakness of both cartridges. I’ve done longe range training schools out to 1000 yards in the Texas hill country, Kyrgyzstan will be a different story. Of course, it might also tell us that both are more than capable of doing the same thing efficiently and effectively. We have also provided the average tables throughout the article below to make it a little easier for you as we move through this section. If you’d rather listen than read, you can either just press play below or click the appropriate link to download the episode through your preferred service. Ballistics and Drop for the .300 Remington Ultra Magnum. That’s the year Winchester brought to market its now famous 300 Winchester Magnum. We put 3 popular cartridges to a head-to-head-to-head test. Both cartridges have their rounds with heavier bullets and subsequent higher SDs. Both of these rounds produce enough KE to create a lot of damage on the largest North American game at all ranges most hunting shots are taken. The fact that I have to nitpick the strengths and weakness of each cartridge like that really speaks to their overall effectiveness. However, the .300 Winchester Magnum generally uses heavier bullets than the 7mm Remington Magnum. It was released to the civilian market in 1962 and quickly gained popularity in the hunting world. On the other hand, since it shoots heavier and larger diameter bullets, the .300 Win Mag has a clear advantage when hunting larger game like elk, moose, caribou, and red stag. It influences recoil, trajectory, and it even influences stopping power of the bullet in several different ways. Get our PDF with 13 pistol & rifle targets (worth $48) including expert instructions for FREE! Again, with the larger set of rounds, we see the sameresults from earlier. By the time they reach the 500-yard mark, that difference is nearly cut in half to 224.4ft.lb of difference. The .300 Ultra Mag can fire the same weight bullet approximately 200-300fps faster than the .300 Win Mag. Have killed every thing from squirrels to moose with it.works like magic every time! Both cartridges are flat shooting, heavy hitters with over 3,000 ft-lbs of energy at the muzzle and are suitable for hunting most big game up to and including moose and Alaska brown bear. Only two times weren’t one shot kills and were my fault at 100 & 150 yards. We also hope that you have come to the same conclusion as we have after researching these two cartridges. .30-06 Springfield Book an incredible African safari hunt here. A mature bull moose is going to require more penetration than a whitetail deer. Thank you – great information and detail. While both of these cartridges were designed with longer range capabilities in mind, they are both also hunting rounds, and with hunting, you are going to come across as much or more shots at targets within 300 yards depending on the terrain and the game. Recently, someone tried talking me into the 6.5 creedmoor, which I am considering for my 5′-5″ 120 lb daughter. We also do not see any trend towards one cartridge having a flatter trajectory than the other. If you can make the shot and score an ethical kill on the game animal, go for it. It might be a bit of overkill for medium sized game and you might get a bit more damaged meat, but there is little doubt that it will put them down. No question it isn’t. 308″ bullets which have sectional densities of . Thinking of buying my first hunting rifle – a Savage 110 No. The case isbased off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. If we look at the averages of the two cartridges at the muzzle and 500 yards, we can see how much this gap closes. Are you sensitive to recoil? In this section, we are going to look at the sectional density (SD), which is a number calculated from the caliber of the bullet, as well as its weight. The higher the momentum, the more the bullet can penetrate after encountering resistance. Ballistics comparison video between the 7mm Remington Magnum vs the 300 Winchester Magnum. While most experienced hunters or competitive shooters are not too concerned with the amount of recoil, others still might be, and those with less experience definitely are concerned about recoil. The 06 isn’t the greatest cartridge that one can buy but it is far from being a slouch. Before we move on to the trajectories of these two cartridges, take a look at the average BCs of the larger sample size. John. Even then, two people’s results can be drastically different. Still, it is accepted that 1,000ft.lb of energy is a good mark for deer while 1,500ft.lb is more suitable for elk. It is a common mistake to think that the maximal velocity you can get out of a round means a better overall performance. The cartridge is also able to be to take a variety of bullet weights. blog) by 20 percent. What is interesting is that as these rounds move downrange, the gap between the two cartridges begins to close. Obviously, there is no real difference in the BCs of these two cartridges. If you look around the internet long, you will find that there are circles of devout followers and also unbelievers in the .300 Win Mag for various reasons. We are again seeing that both of these cartridges are performing very similarly. When you buy through links on our site, we may earn an affiliate commission. While we will examine it as a standalone performance category, velocity has its hand in just about all other performance specs of a cartridge. The .300 Ultra Mag is known for lots of power along with minimal bullet drop and wind drift at extended range. Given that the mass and velocity make up bullet momentum and since there was very little difference in velocity between the cartridges and the .300 WM rounds have heavier bullets, it makes sense that they generate more momentum. If your favorite round is not on the list, it’s not because we don’t think it’s a round worthy to take in the field. The difference between them (7mm Rem Mag vs 300 Win Mag) isn’t as great as it is sometimes made out to be and the animal will never know the difference if your shot is placed in the right spot. This was particularly true for the .30-06 Springfield, which has long been the standard against which new centerfire rifle cartridges are measured against in the United States. And like we have mentioned before, using a proper bullet and putting it in the right spot can make up for lack of energy. But granted, in the field I don’t think I’ve ever felt any recoil at all. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Winchester Magnum vs .45-70 Government ammo rounds. And you can’t discount the role recoil can play in accuracy. With a degree in Microbiology and several years of doctoral work manipulating bacterial genes, he attempts to merge the rational and unbiased thinking of scientific research with the passions of hunting and fishing. Not only is it because we don’t want the animal to get away and we don’t want to have to track it for miles, but we also respect the animals a great deal and letting one get away wounded is the last thing we want. Both of these combined, barring bullet design, indicate that the .300 Win Mag should have better penetration potential. And we can’t rule out the fact that we could change the bullet weights of these two rounds and close or widen the gap. This way, you can have more data at your disposal if you are looking to make a decision, and it will also check our small sample group and help us confirm that the results we are seeing is accurate for the cartridges as a whole. On average we are looking the … From what I’ve read seems like a lot of you out there have 300 Win Mags. Buy an excellent .300 Winchester Magnum hunting rifle here. This round maintains over 2,000fps throughout a 500-yard flight, which is more than enough to cause proper expansion of the ballistic tip bullet. We really like the lighter 7mm Rem Mag rounds for these game animals. 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. The velocity is an interesting and critical performance spec for any cartridge comparison. First, the new cartridge was available in the venerable Winchester Model 70 rifle. It remains popular up until today. Stopping power is extremely important in a hunter’s decision for a cartridge. 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