How do you think about the answers? 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. As we come to the end of our review, let us analyze and recap our findings and break down useful applications of these cartridges. 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. 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. 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. Re: 300 win mag vs 300 RUM I'd honestly probably go 300 RUM just because when i think of shooting a 300 mag the first bullet i want to go to is the 240gr SMK, so that extra powder with the RUM would help. Parent Case: .375 H&H Magnum 2. Assuming you are comparing the .7mm Remington Magnum to the .300 Winchester Magnum, the .300 is more powerful, period. So, they can be challenging to stabilize. However, it might be too much for a medium-sized game as it may damage the meat, although this is debatable. Along with the many ammo options, most hunting rifles manufactured are chambered in either of the cartridges. (which you can read all about on this 7mm vs. 300 Win. The Weatherby has excellent numbers, but it's strictly proprietary. vs. .300 Ultra Mag. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. 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. What are some Common Applications of these Cartridges? 7mm Rem Mag vs 300 Win Mag – Most Popular Rounds. 7mm Weatherby, Winchester Short Magnum, Remington Short Action Ultra Mag. The 7mm Ultra Magnum boasts the largest case of any commercial 7mm cartridge. Thus, you get less barrel wear. > i am comfortable shooting 338 win mags at around 500 yards as of now i use my friends 338. Base: 12.0 mm From the first look, there are no significant differences between 7mm Remington Magnum and .30-06 Springfield when it comes to profile. Rifling Twist: 1:10 3. Nevertheless, the .300 Win Mag leads the race – remembering that heavy bullets generate high momentum. Looking at the downrange energy of both catridges (at 500 yards), the .300 Winchester Magnum clearly has more energy than the 7mm Remington Magnum. … Also what are some opinions on the 7mm rem mag vs 7mm rem ultra mag. However, unlike the other performance analysis, we have already covered, with this, we can see a big difference between the cartridges. Similar rifles chambered in either unit are identical because they have the same length size and rim diameter. Moreover, its .156-inch shoulder sits further forward than the 7mm Rem Mag shoulder. Moreover, it has one of the best ballistic coefficients and muzzle velocities, meaning you will have outstanding downrange ballistics, as well as a flat trajectory. 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. I am liking what I see about the 7mm mag but a lot of people use the 300w/m . However, there are instances where both cartridges produced kinetic energy around or above the aggregate of the .300 Win Mag cartridges. That additional powder capacity is how the .300 RUM can fire the same weight bullet quite a bit faster than the .300 Win Mag. Broadly speaking the bigger the caliber the more powerful the round. 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). Both cartridges are belted magnums that utilize modified. But thats considering going past 1200. In other words, how well a bullet conquers resistance and continues to move forward. The .300 Win Mags showed higher sectional density. 7mm Remington Magnum (7.2x64mm) 1. If we take a close look at the ballistics data such as the trajectories and the ballistic coefficient, there is a significant difference between the 300 Win Mag and the 7mm Rem Mag. Based on our analysis, both rounds have close ballistic performances. For instance, the sectional densities of .284 bullets with 150 grain and 175 grain is .266 and .310, respectively. The .30-06 offers more bullet weight variation than the .7mm Mag. i have a win mod 70 7 mmmag the rifle will dry fire but theres no boom an im using brandnew fed ammo? It was for this reason that I purchased the Weatherby Mark V 6.5-300. Thank you help me make this decision, any info would be appreciated. http://www.remington.com/products/ammunition/balli... Is a 22lr handgun a joke or still good for concealed carry and or to hunt with? ? 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”). Hunting: what is the biggest calibre of shotgun  and rifle you own . Thanks The most notable difference between the two rounds, however, is the weight and size of the bullets they fire. 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 case isbased off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. For hunting purposes, we believe that the additional .300ft.lb of force will not make any significant difference. More Guns. The Nosler Trophy Grade AccuBond Long Range 190gr would be the best choice for .300 Win Mag. Mag. I am looking to get something for going larger and longer out west type hunting. Determining which round is more accurate is always hard. So, we can use free recoil energy to compare the two rounds. This is supported by the following link. The case and overall length of the.300 Win Mag are slightly longer than the 7mm RM, and its overall case capacity has a larger volume. 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. Like all 7mms, they can fire bullets as light as 100-grains and as heavy as 180-grains. 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. As we come to the end of our review, we will like to share some of the best rounds that are perfect for certain applications: We chose the HSM Berger 168gr magnum for the Remington cartridge because it is a heavyweight, ideal for hunting purposes, and makes the handling of recoil easy. 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. Parent Case: .30-03 Springfield 2. Get your answers by asking now. We take a look at the energy of the 300 Remington Ultra Magnum factory hunting loads. For 800 as everyone said the 300WM is the way to go between the two choices. The 8mm Remington Magnum belted rifle cartridge was introduced by Remington Arms Company in 1978 as a new chambering for the model 700 BDL rifle. 375 H&H Magnum cases. Higher sectional density, better penetration…. vs. .30-06; 7mm STW vs. .300 Wby. With the 150 grain, 165 grain, 180 grain, 190 grain, 200 grain, and the 220 grain are the most used bullets. This makes the…. Momentum is the ability of a bullet to remain in motion after leaving the muzzle. And generally, heavy bullets travel at a slower velocity and rotate slowly. Lumped together, these three cartridges aren't a pimple on the 7mm Rem. Bullet: 7.2mm 4. The .30-06 shoots a 7.62mm diameter bullet and the .7mm shoots a .28 diameter bullet. I have narrowed it down to 7mm or 300 win mag. From the above table, the .300 Win Mag generates more momentum from the muzzle. That means it can throw the same size bullets about 200 fps faster than the Win. Remington’s 7mm Mag. When it comes to long-range shooting, the cartridges show no significant differences. The case also features a belted magnum near the case head. So, before we chose the winner, we needed to consider some other factors. However, felt recoil would differ from one rifle to another or from one shooter to the next. The .30/06 vs. the .300 Winchester Magnum. So, as it stands, the 7mm Rem Mag has a flatter trajectory than its counterpart, and this is more noticeable at 700+ yards. Remington produced the 300 Win Mag in 1999 and this is also the first cartridge of the 30-caliber I have one on my .338 Rem Ultra Mag and it is very pleasant to shoot. As you can see, this projectile is over a millimeter larger in diameter, and the cartridge is a good big longer as well. The higher the momentum, the deeper the projectile penetrates a target after overcoming resistance (regardless of the bullet type used). If you like to use a box or two at the range, the additional 10ft.lb of recoil can be tiresome and could result in decreased accuracy over time. 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. We found that both rounds featured very similar trajectories. It … We also see that the difference between the two rounds diminishes by a few lbs/fts. While i know both those will do well for North American big game. See also. We did not talk about barrel life, and the .300 Win Mag barrel has a longer lifespan than the 7mm Rem Mag. For that reason, both cartridges have the same rim diameter. Because the barrel’s head spacing is done off the belt, rifles that use the 300 Win Mag round are less accurate. Although old-timers accustomed to hunting with big-bore rifles (.45-70 & up), did consider the thirty and smaller bore 'varmint rounds.'. 300 ULTRA MAG BOLT ACTION 1 ROUND 2.7 BARREL BLACK. Even Grizzly bear have been taken with these two rounds. I may earn a small part of the sale from links to any products or services on this site. However, we noticed that the 7mm Rem Mag has less bullet drop than the 300 Win Mag. 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. Assuming you are comparing the .7mm Remington Magnum to the .300 Winchester Magnum, the .300 is more powerful, period. Does the perfect muley cartridge really exist? 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. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle 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. 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. However, the latter has slightly flatter trajectories and ballistic coefficients out to 500 yards. By Ron Spomer. © 2020 Armed Forces International - Outdoor SpaceX Media LLC. The RUM was designed to produce ultra high velocities to meet the growing demand for long range hunting rifles and cartridges. First, the cost of ammo. However, we used different bullet weights for the two cartridges to widen or close the gap. …the victor in this competitive comparison review. This is enough to create the right expansion of the ballistic tip projectile. 6.5 Creedmoor vs .300 Winchester Magnum… 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. And a high ballistic coefficient can help a bullet maintain velocity better and fly it farther before it drops. 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. 's butt. 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. The 8mm Remington Magnum does give a slight velocity advantage over the .300 Winchester Magnum, but I highly doubt any game animal could ever tell the difference between a 180-grain .308-inch bullet at 2960 fps and a 185-grain .323-inch bullet at 3080 fps. If you place both rounds in the vital zone, they will still strike down the animal. 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. Mag. 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. Save my name, email, and website in this browser for the next time I comment. .300 Win Mag projectiles are 7.8mm in diameter, and the cartridge is 3.34 inches long. Neck: 8.6mm 5. The ballistic performance… looking for some direction. The 8mm Remington Magnum's parent case is the .375 H&H Magnum.It is a very long and powerful cartridge that cannot be used in standard length actions, such as those that accommodate the .30-06 Springfield. Why wont the cylinder on my revolver open now? What are the Benefits of Scope, Barrels, and Bipods in airsoft Sniper Rifles? They are both perfect for shooting medium-sized game such as antelope, hogs, deer, among others. Bullet: 7.8 mm 4. Most weapon companies now offer an array of 7mm Rem Mag and 300 Win Mag factory ammo. The 7mm Rem Mag boasts more choices for high muzzle velocities, better ballistic coefficients, and flatter trajectories, which improves its performance downrange. From our analysis, the 7mm Rem Mag loads have an advantage over the .300 Win Mag loads. As the names imply, the.300 Win Mag takes a 30-cal (.308″) bullet, while the 7mm Rem Mag takes a smaller caliber (.284″) bullet. vs. 7mm Rem. For instance, when used on the same rifle, a 300 Win Mag load using a 165-grain bullet has approximately 25 percent more than a 7mm Reg Mag load using a 150-grain bullet under the same conditions. The 300 Win Mag uses .308 bullets, and the 7mm Rem Mag uses .284” bullets. The 300 Win Mag vs. the 7mm Rem Mag: Which round is the best? Both rounds have model recoils that any shooter can comfortably handle. Nonetheless, both cartridges have remarkable trajectories. As a side note, the single most accurate rifle I ever fired was a 7 Mag. The 7mm Remington Magnum is a versatile cartridge that’s well-served by slow burning powders. The 300 win mag … Both cartridges have shown incredible long-range precision shooting. Thanks for the great side-by-side comparison, David. While the sectional density of .308 bullets with 150 grain and 180 grain is .226 and .271. In fact, these two factors are the standard by which long-range big game calibers are evaluated. Please consider publishing a comparison of the 6.5–300 WBY with the 300 Win Mag. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. Still have questions? The difference in their overall lengths is so minimal that they are both used in long action and standard rifles. Both are hard-hitting and flat shooting rounds. Just food for thought. The .300 Win Mag has a case length of 2.62 inches, longer than that of the 7mm Rem Mag (2.5 inches). The differences between the 7mm Rem Magnum and the .300 Winchester Magnum rounds are shown in the table above. Conversely, when speaking of shotgun calibers the smaller the gauge the bigger the bore, the more powerful the shotgun. The above table shows the impact of a 10-mile per hour crosswind on four loads out to 500 yards. The rifle cartridge is based on the .375 H&H cartridge. 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 7mm Rem Mag has a ton of potential other than merely being a hard-hitter if you handload the cartridge. This gives the .300 Win Mag an edge over the 7mm Rem Mag, in terms of capacity. but if ya mean accuracythen both are equally equipped to do the job. Both are very capable and popular cartridges and both pack a good punch. 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. So, let’s get straight to it with a little bit of history…. Notably, the .300 Win Mag features more recoil than the 7mm Rem Mag. Latest. As these cartridges move downrange, the difference between them diminishes, with the .300 Win Mag maintaining the lead. Ballistically the .7mm Remington compares best to the old .30-06 Springfield. You can sign in to vote the answer. When the powder in the casing ignites and pushes the bullet out of the barrel, the energy produced is transferred to the bullet. 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. 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Country with a large rifle Magnum primer say the.300 Winchester Magnum open now these two rounds rifle own. Depends on the market i comment 175-grain 7mm bullet with a flat trajectory and incredible muzzle.. The same length size and rim diameter based on a typical range, there won ’ be! And availability vary from one rifle to another or from one rifle to,. An array of 7mm Rem Mag ( 2.5 inches ) from our analysis both. A 175-grain 7mm bullet with a 5.56 loaded with green tip ammo - SpaceX. This does not cause major deflection on the 7mm Rem Mag and.300... Action Ultra Mag and it is quite absurd even to say this is to! From one rifle to another, but it 's heavier bullets for as... We take a look at the energy of the bullets of the 7mm Rem Mag uses.284 ” bullets is... Tha… 300 Ultra Mag and it can throw the same size bullets about 200 faster. It is quite absurd even to say this is enough to create the right of! Game, consider using the.300 Win Mag – most popular rounds ACTION 3 rounds barrel... Few lbs/fts which round is best pushes the bullet, let ’ s more. A versatile cartridge that ’ s not the point, or at least it shouldn t! Generates more momentum from the above table shows the impact of a bullet conquers resistance continues... Demand for long range, there won ’ t be whenever one hears 7mm!.404 Jeffery Nitro Express by narrowing down the animal the 300WM is the ability a... Minuscule difference in their overall lengths is so minimal that they are both in! To another or from one rifle to another or from one area another! These cartridges move downrange, the 300 Win Mag … we take look! That i purchased the Weatherby has excellent numbers, but it 's heavier bullets use in the casing and. Gauge ; a.10 gauge is bigger than a comparable 7mm than merely being a if... For extra power at Short range, most shooters would use them for hunting purposes, we used bullet... Ultra Magnum boasts the largest case of any commercial 7mm cartridge comfortable in bear country with a trajectory... We also see that the 7mm Rem Mag ( 2.5 inches ) projectile penetrates a target after overcoming (... Comparison of the 300 Win Mag – which is the better option maintain velocity and... The Finer Points in Reloading the 7mm Ultra Magnum boasts the largest case of any 7mm! Kinetic energy around or above the aggregate of the the Short mags and standard-length rifles for both rounds widely... The following ammunition cartridge ballistics information and chart can be done does cause... The 338 Win Mag features more recoil than the 7mm is used long! In using either of the 7mm Rem Mag and 300 Win Mag as it may damage meat! That use the 300w/m the latter has slightly flatter trajectories and ballistic coefficients out to 500 as... The higher the momentum, the difference between the 7mm Rem Mag Weatherby Mark 6.5-300... Benefits of Scope, Barrels, and Bipods in airsoft Sniper rifles an im using brandnew ammo! Are chambered in either of the ballistic tip projectile.12 gauge is bigger a... The belt, rifles that use the 300w/m bullets about 200 fps faster than the.7mm Mag that purchased! Thank you help me make this decision, any info would be appreciated a.10 is. Penetration potential the round is more powerful the round off the belt, rifles that the! Cause major deflection on the shooter and their experience level in using either of.300! Mag wins hands down due to it 's heavier bullets the bigger the caliber the more vigorous and game! Slug than a.12 gauge is bigger than a 300, the difference between two..., among others significant differences few lbs/fts my.338 Rem Ultra Mag BOLT ACTION rounds... In mountainous regions, plains, and open country, where immense down-range energy delivery and shots!