Bullet: 7.2mm 4. Assuming you are comparing the .7mm Remington Magnum to the .300 Winchester Magnum, the .300 is more powerful, period. The person who said the .7mm Mag. The 190gr has a better stopping power and terminal ballistics, and records an incredible 2000fps out to the 500-yard flight. The 7mm is used in mountainous regions, plains, and open country, where immense down-range energy delivery and long-range shots are necessary. Costs and availability vary from one area to another, but ammo for both rounds is widely available and priced at similar rates. Conversely, when speaking of shotgun calibers the smaller the gauge the bigger the bore, the more powerful the shotgun. And a high ballistic coefficient can help a bullet maintain velocity better and fly it farther before it drops. 375 H&H Magnum cases. What Are The Finer Points In Reloading the 7mm Rem Mag. Note this does not mean that the 7mm Rem Mag does not have decent penetration; it also capable of striking down large game. Example: A .12 gauge is bigger than a .20 gauge; a .10 gauge is bigger than a .12 gauge and so on. Both rounds also come in different weights and styles. The 300 Win Mag vs. the 7mm Rem Mag: Which round is the best? This gives the .300 Win Mag an edge over the 7mm Rem Mag, in terms of capacity. Based on our analysis, both rounds have close ballistic performances. However, unlike the other performance analysis, we have already covered, with this, we can see a big difference between the cartridges. What are the Benefits of Scope, Barrels, and Bipods in airsoft Sniper Rifles? The difference is approximately 615ft.lb of force. Both rounds have great terminal ballistics and heavy bullets, ideal for hunting larger game such as moose, elk and a wide variety of exotic game. Mag. Notably, the .300 Win Mag features more recoil than the 7mm Rem Mag. Mule Deer Cartridge Showdown: .270 Win. However, the latter has slightly flatter trajectories and ballistic coefficients out to 500 yards. The 300 win mag … The case also features a belted magnum near the case head. I have a Rem. Like all 7mms, they can fire bullets as light as 100-grains and as heavy as 180-grains. This caliber is about 200 fps faster than the 7mm magnum. However, felt recoil would differ from one rifle to another or from one shooter to the next. Wind does not cause major deflection on the 7mm Rem Mag bullet trajectory path compared to the .300 Win Mag. The RUM was designed to produce ultra high velocities to meet the growing demand for long range hunting rifles and cartridges. but if ya mean accuracythen both are equally equipped to do the job. Please consider publishing a comparison of the 6.5–300 WBY with the 300 Win Mag. This is seen by looking at comparable weight bullets (7mm = 175 gr and .300 = 180 gr) and the heaviest bullets offered for both calibers by Remington (7mm = 175 gr and .300 = 200 grain). Mag. While both cartridges do an exemplary job at the long-range precision range, most shooters would use them for hunting purposes. However, we used different bullet weights for the two cartridges to widen or close the gap. With the 150 grain, 165 grain, 180 grain, 190 grain, 200 grain, and the 220 grain are the most used bullets. Even though both cartridges are long-range competitive shooters, they are also hunting cartridges, and with hunting, it is not uncommon to experience shots at targets below 300 yards, depending on the game and the terrain. There are two things that you might consider before buying a 7 RUM. We did not talk about barrel life, and the .300 Win Mag barrel has a longer lifespan than the 7mm Rem Mag. We take a look at the energy of the 300 Remington Ultra Magnum factory hunting loads. When the powder in the casing ignites and pushes the bullet out of the barrel, the energy produced is transferred to the bullet. They are both perfect for shooting medium-sized game such as antelope, hogs, deer, among others. Neck: 8.0mm 5. So, let’s get straight to it with a little bit of history…. Both are big calibers for Elk/Moose size game. It … Does the perfect muley cartridge really exist? ... 270 WINCHESTER SHORT MAGNUM BOLT ACTION 3 ROUNDS 24 BARREL ... Nosler M48 Independence vs. Remington 700 CP. You may also want to consider some of the the short mags. Thank you help me make this decision, any info would be appreciated. Mom with COVID delivered baby she couldn't hold, 'Pose' star creates gift-giving program for trans youth, Snowden allies see opening amid Trump clemency blitz, As in 1918, companies hype dubious virus cures, Defeated president uses pardons to express grievance, How Trump made 2020 the Year of Disinformation, Dems set fundraising records ahead of Ga. Senate runoffs, N.C. wedding venue turns away lesbian couple, 84-year-old songwriter in awe of newfound TikTok fame, 'Stay Alive and Survive': Ski resorts amid the pandemic, Amid Trump's relief bill chaos, optics get worse for GOP. would you feel comfortable in bear country with a 5.56 loaded with green tip ammo? The 7mm Rem Mag was launched in 1962, at the time Remington was working on the bolt-action center-fire rifles, the Model 700 series. By Ron Spomer. Thus, the .300 Win Mag cartridge has better penetration potential. Just food for thought. We also see that the difference between the two rounds diminishes by a few lbs/fts. Thanks For this reason, both rounds have the same rim diameter, although the .300 Win Mag is slightly longer than the 7mm Rem Mag (3.34” vs. 3.29”). Sectional density (SD) in relation to bullets, is the ratio of a bullet’s mass to its cross-sectional area along a specific axis. The .7mm Remington Ultra Magnum is more 'powerful' (faster, harder hitting) than the .300 Winchester Magnum, but not more so than the .300 Weatherby Magnum. The Nosler Trophy Grade AccuBond Long Range 190gr would be the best choice for .300 Win Mag. The smaller .284 diameter bullets of the 7mm Rem Mag have a higher sectional density and ballistic coefficient than .308 diameter bullets of comparable mass. The 7mm Remington Magnum is a versatile cartridge that’s well-served by slow burning powders. Most rifle manufacturers chamber the cartridge in their models. And it can fire a 175-grain 7mm bullet with a flat trajectory and incredible muzzle velocity. As mentioned before, the gap between the two rounds reduces as they move downrange. Despite this setback, the 300 Win Mag cartridge remains an excellent choice among hunters. What are some Common Applications of these Cartridges? Together with sectional density, this speed is enough to penetrate and go through vital organs of moose and big bull elk at long ranges. So, before we chose the winner, we needed to consider some other factors. that depends on your definition of powerful, the 300 is a heaver bullet and hits harder but the 7 mm has a flatter further trajectory. Both are celebrated by hunters worldwide, but which one of these classic .30-caliber cartridges will come out on top vs. 7mm Rem. For hunting purposes, we believe that the additional .300ft.lb of force will not make any significant difference. 7mm Rem Mag vs 300 Win Mag – Most Popular Rounds.  Such performance demands a price and in this case, that is a large muzzle blast, sharp recoil and short barrel life. Even though it does not possess a lot of energy, you will get enough expansion and penetration to take down medium to large game at standard hunting ranges. Using a fat, 404 Jeffery case 2.850" long with the 30-degree shoulder pushed well forward, Remington engineers were able to beat the case capacity of the 300 Wby. Thus, you get less barrel wear. So, they can be challenging to stabilize. Similar rifles chambered in either unit are identical because they have the same length size and rim diameter. Nevertheless, the .300 Win Mag leads the race – remembering that heavy bullets generate high momentum. Lumped together, these three cartridges aren't a pimple on the 7mm Rem. However, the twist rate and barrel length will play a crucial part in your ammunition selection, with heavier bullets demanding a faster twist rate. When we add more rounds, as seen from the table above, we still see that the .300 Win Mag has higher kinetic energy at all yards on the projectile’s flight. Firstly, both rounds are belted mags based on the .375 H&H Magnum cases. Most 7mm Rem Mag loads fire bullets ranging between 139-175 grain, with the most common grains being the 140grain, 150 grain, 160 grain, and 175-grain loads. On a typical range, there won’t be any advantage of choosing one round over the other. But if penetration would be something of great concern to you, then the numbers say the .300 Win Mag is the better option. > i am comfortable shooting 338 win mags at around 500 yards as of now i use my friends 338. As you can see, this projectile is over a millimeter larger in diameter, and the cartridge is a good big longer as well. Compared to the 7mm Remington Magnum, top 7mm RUM loads deliver 25% more energy at 300 yards. Mag. From the above table, the 7mm Rem Mag has a flatter trajectory than the .300 Win Mag, making shot placement in the former easier since less adjustment is required at different ranges. The 7mm RUM is based on the .300 Remington Ultra Magnum (1999) which is in turn based on a grossly modified version of the unbelted 404 Jeffery’s case. The case isbased off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. Along with the many ammo options, most hunting rifles manufactured are chambered in either of the cartridges. I use a 300 win mag as of now, i've shot the 338 win mags, the recoil isn't a big deal at all. unseated the .264 Winchester Magnum rather quickly, becoming the darling of Western hunters. Ballistically the .7mm Remington compares best to the old .30-06 Springfield. See also. Latest. 7mm Remington Magnum (7.2x64mm) 1. Ballistics comparison video between the 7mm Remington Magnum vs the 300 Winchester Magnum. I may earn a small part of the sale from links to any products or services on this site. Parent Case: .30-03 Springfield 2. So, we can use free recoil energy to compare the two rounds. I’m talking 7mm-08 vs. .308; .280 Rem. I like the 7mm because of the long range, while i like the 338 win mag for the power. The Thompson Center Compass, The Remington Model 700, Tikka T3X, Nosler M48, Mossberg Patriot, Browning X-Bolt, Weatherby Mark V, Savage 11/111, Ruger M77 Hawkeye, Winchester Model 70, and Vanguard among others are available in .300 Win Mag and 7mm Rem Mag. We cannot disregard the role of recoil in determining the accuracy of these cartridges. Similarly, reloading parts for the two rounds are also readily available. You can sign in to vote the answer. October 2, 2019. As we come to the end of our review, let us analyze and recap our findings and break down useful applications of these cartridges. vs. .30-06; 7mm STW vs. .300 Wby. The .300 Win Mag factory loads, on the other hand, use bullets in the 15-230-grain range. Why wont the cylinder on my revolver open now? As a side note, the single most accurate rifle I ever fired was a 7 Mag. Neck: 8.6mm 5. However, it might be too much for a medium-sized game as it may damage the meat, although this is debatable. But there is a minuscule difference in the ballistics of the two cartridges at normal hunting ranges. That additional powder capacity is how the .300 RUM can fire the same weight bullet quite a bit faster than the .300 Win Mag. … Winchester designed the 300 Win Mag in 1963 as a magnum class round for sized-action and standard-length rifles. After analyzing the two cartridges, we concluded that the 7mm Rem Mag outplayed the 300 Win Mag, with most of its bullets in common use. For the more vigorous and bigger game, consider using the .300 Win Mag as it has higher kinetic energy. When it comes to long-range shooting, the cartridges show no significant differences. Violate this principle by, for example, chambering a lightweight, short action rifle for a powerful Magnum cartridge like the .300 WSM and the result will be a dramatic increase in kick. To engage this 7mm RM vs. 300 WM argument you have to be willing to pick at nits because, bottom line, both cartridges (and many other magnums like them) are winners. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle Higher sectional density, better penetration…. Learn more, 7mm Rem Mag vs 300 Win Mag – Brief History, 7mm Rem Mag vs 300 Win Mag – Comparing Cartridge Sizes, 7mm Rem Mag vs. .300 Win Mag: Impact of Cross Wind. Nonetheless, both cartridges have remarkable trajectories. The .30-06 shoots a 7.62mm diameter bullet and the .7mm shoots a .28 diameter bullet. There are also.300 Win Mag options that yield similar performance, but most shooters would not adjust to the increased recoil for many shots within a short period. The primary function of a belted magnum was to provide accurate headspace control because the sloping shoulders, while reducing extraction on the cartridge, were unsuitable for this job. The above table shows the impact of a 10-mile per hour crosswind on four loads out to 500 yards. Rifling Twist: 1:10 3. With other factors remaining constant, a heavier bullet has a higher sectional density and will penetrate the target’s body deeper than a bullet with lower sectional density and mass. The .300 Win Mag has a competitive edge over the 7mm Rem Mag because of increased factory support, availability of ammunition, and it is affordable to reload. The 7mm Rem Mag boasts more choices for high muzzle velocities, better ballistic coefficients, and flatter trajectories, which improves its performance downrange. For that reason, both cartridges have the same rim diameter. But thats considering going past 1200. The ballistic performances based offfive grain types for velocity are 3,456 ft/s (150 gr), 3,326 ft/s (168 gr), 3,… In fact, these two factors are the standard by which long-range big game calibers are evaluated. Cartridge Type: Rifle Height: 2.85" Width: 0.534" Average FPS: 3066 Average Energy: 3610 Average Gr: 173 Recoil: 2.64 Power Rank: 5.3 of 20 The .300 Remington Ultra Magnum was designed in 1999 by Remington Arms Company. Also what are some opinions on the 7mm rem mag vs 7mm rem ultra mag. How do you think about the answers? 300 SAUM and its felt recoil is considerably less than that of the 300 win mag or 300 weatherby mag, and is matches closely to the trajectory of the 300 win mag. Mag. From the above table, the .300 Win Mag generates more momentum from the muzzle. It has the accuracy of the 6.5 Creedmoor and the power of the 300 Win Mag… a nice combination! i have a win mod 70 7 mmmag the rifle will dry fire but theres no boom an im using brandnew fed ammo? It’s indisputable that a .30 caliber delivers more energy than a comparable 7mm. Tha… The .30-06 offers more bullet weight variation than the .7mm Mag. Cartridge Type: Rifle Height: 2.85" Width: 0.534" Average FPS: 3121 Average Energy: 3330 Average Gr: 154 Recoil: 2.13 Power Rank: 4.81 of 20 The 7mm Remington Ultra Magnum was designed in 2002 by Remington Arms Company. Most weapon companies now offer an array of 7mm Rem Mag and 300 Win Mag factory ammo. With the .300 Win Mag capable of firing 200 grain, 208 grain, and 200-grain bullets, the 7mm Remington round does a better job with the 175-grain bullet. While i know both those will do well for North American big game. We believe most shooters would quickly adjust to the higher recoil of the .300 Win Mag, although there are some who wouldn’t be able to adjust accordingly. Both rounds have model recoils that any shooter can comfortably handle. For 800 as everyone said the 300WM is the way to go between the two choices. ; 7mm Ultra Mag. And generally, heavy bullets travel at a slower velocity and rotate slowly. The 300 Winchester Magnum has higher bullet energy as it carries 3,474ft.lb of force from the muzzle, while the 7mm Rem Mag carries 3,303ft.lb of force from the muzzle. We found that both rounds featured very similar trajectories. Looking at the downrange energy of both catridges (at 500 yards), the .300 Winchester Magnum clearly has more energy than the 7mm Remington Magnum. 9MM.223 / 5.56 45 ACP.22 Long Rifle.22 Win Mag 12 Gauge.308 Winchester 40 S&W.38 Special View All Calibers. However, both cartridges are perfect for their intended roles, and both rounds would make a great choice for target shooting and hunting. Momentum is the ability of a bullet to remain in motion after leaving the muzzle. While the sectional density of .308 bullets with 150 grain and 180 grain is .226 and .271. The 300 Win Mag uses .308 bullets, and the 7mm Rem Mag uses .284” bullets. was a varmint round must have been kidding. List of rifle cartridges I have one on my .338 Rem Ultra Mag and it is very pleasant to shoot. The 7mm shoots .284-inch diameter bullets through bores .28-inch across, but only two use this Imperial measuring system in their titles: .280 Remington and .284 Winchester, both excellent but under-rated “standard” velocity cartridges. The .300 Win Mag has a case length of 2.62 inches, longer than that of the 7mm Rem Mag (2.5 inches). 300 ULTRA MAG BOLT ACTION 1 ROUND 2.7 BARREL BLACK. Rifling Twist: 1:9 to 1:10 3. We also saw a big difference in penetration data, with the .300 Win Mag round showing great performance. The parent case is the .300 Remington Ultra Magnum and fits a .284 inch bullet on a .317 inch neck with a beltless, rebated, bottleneck with a large rifle magnum primer case that is 2.850 inches long and 3.60 inches in overall length with a 1:9 1/4 rifle twist. You do not pay anything extra. the 300 mag is more powerful but the 7 mag can shoot farther/flatter. 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Shots are necessary … i have a Win mod 70 7 mmmag the rifle cartridge is 3.34 inches.. 500 yards, we believe that the difference in penetration data, with 300.