Otherwise I would not consider anything but the 7mm stw. etc. The 7mm wsm will not outdo the 7mm rem mag. The 7wsm case capacity is approx 81.5 and the 7mm Rem mag is around 82.5 depending on the brass of course so the case capacities are a wash. Aother good comparison to hash out would be the 7 SAUM and the 7 WSM. A 7 WSM with a 175 SMK or VLD will get the job done with authority out to your personal game harvesting limits. With the 7 Rem Mag you can get RWS brass, some of the best brass in the world that will outlast 3-4 barrels. And, when you get into the heavier bullets, it will outperform the short mags. Mag. I have just never been thrilled by the 7mm Rem Mag. Extremely accurate and has the velocity to be much more effective at long range. I have five of them and a 7mm rem mag along with the wby mag. As the quote says, pick the rifle first. With either the WSM or the SAUM, you're $2 a shot and up. For the 7mm Rem Mag vs .30-06, we have compiled the BCs for all ten of the rounds we have been and will continue to use for comparison throughout the article (Graph 4). Prior to getting too old & decrepid, I plan on an elk or caribou hunt within the next five years. on the difference between the 7wsm and the 7 rem mag other than less powder. (7x57mm, 7mm WSM, 7mm Rem. Does the perfect muley cartridge really exist? "30 Nosler is a very impressive round" says Josh at Copper Creek Cartridge Company, Mounting Sling Studs and Flush Cups in Foam Core Stocks. (3133 ft. As the slow burning powders that allow a case this large weren’t available in 1912, the cartridge didn’t catch on. Re: 7mm mag vs 7mm wsm ?? The cheapest 7mm Rem. It will continue to be popular because of all the rifles chambered in it. Unless you really like odd cartridges only the 7mm RM is likely to last much longer. So I would pick the most efficient one which would be the wsm. needing 1.3 mils for a 10 mph full value wind. it is the perfect hunting rifle. I have shot most of my stuff with a .300 Win mag and it has never failed me. New amazing Quarter Minute Magnums 7mm Rem. Both rifles work equally as well. Ammo availability and cost go to the .30-06 as well. His original rifle was a Rem 700 with a McMillan stock all set up to make a fairly nice middleweight rifle that would in his words "have a banjo string trajectory", plenty of punch, but light enough to carry in mountainous country. H-4831sc with moly plated 140 Accubonds right at 3200fps. what is the difference in those two .....besides powder capacity and the different length actions? With the 7 SAUM you get to play soft head roulette in Norma or Nosler. That's plausible. rifles. Load Data &Technical Information by Cartridge. The caliber of choice is 7mm. per sec. vs. 7mm Rem. 7mm Rem Short Action Ultra Magnum Load Data; ... 7mm Rem Mag Brass 7mm Rem Ultra Mag Brass 7mm Rem SAUM Brass 7mm Shooting Times Westerner Brass 7mm-08 Remington Brass 7x57 Mauser Brass. It will still kill out past 300 yards, just a little more drop than the 7mm Mag. 7mm Rem Short Action Ultra Mag -- Best of the Bunch? WSM vs. SAUM -- Key Considerations In some respects, the 7mm SAUM cartridge may be better than the 7mm WSM. Like all 7mms, they can fire bullets as light as 100-grains and as heavy as 180-grains. Is the WSM supposed to be slightly more accurate or what.....seems like kinda splitting hairs. In 2002, the same year as the introduction of the 7mm SAUM, Winchester released their own short magnum, the 7mm WSM. These will give substantially better performance than the 308 and won't burn barrels nearly as fast as the 7mm mag. I've seen on a variety of pages that the bolt face is compatible with 300WSM, 270WSM, 7MM WSN, and a number of others to include 6.5 SAUM or 7mm Rem SAUM, of which the last two are the most interesting to me because I've read they have longer barrel lives than the standard WSM's and their ballistics are better. How about throat life? It would work great in a long action so you could seat the bullet out to the rifling and it still feed easily through the magazine. The STW, based on the 8mm Rem Mag parent case was once the biggest commercially available 7mm Magnum in terms of case capacity. In my opinion the 7mm rem mag is just in no mans land because it has no real advantage over the smaller cases and if a guy wants a magnum to seperate from that field then the obvious choice is the stw since the wby cases are way overpriced to do the 7mm-300 wby. 3.89 lbs. I have a basically brand new T3x in 7mm Rem Mag here, still in box with owners manual etc. and exactly the same claim is made for the 7mm WSM. Mag. slm9s Mag. I currently have both a 700 Remington and a M77 Ruger type rifles. Mag. I appreciate very much all the different opinions on here and that is what makes it a great learning experience. We put 3 popular cartridges to a head-to-head-to-head test The difference in velocity between the 7mm SAUM cartridge and the 7mm Winchester Short Magnum (WSM) is less than 50 feet per … You must log in or register to reply here. What am I missing? lbs. And the 7mag kicks a 150gr @19.2 ft lbs!) The 7mm-08 is a bit closer to the 308 and doesn't really come close to the ballistics of the 7mm mag. This series is also not about best “all around caliber”. More available, more affordable, definitely not going away. I assure you no offense taken at all. The 7wsm case capacity is approx 81.5 and the 7mm Rem mag is around 82.5 depending on the brass of course so the case capacities are a wash. I just post my opinions like everybody else. If barrel and throat erosion are a concern, stick with the 7mm Rem Mag or maybe a 7mm Weatherby Mag. I look at all this with considerable interest, having just inherited some rifles, including an R700 7mm Remington Magnum. 7mm rem mag is a little overkill for most game, but a good reloader can make bullets for everything from moose to coyote. The 7mm Saum is dead and the 7mm WSM seems so also. Good hunting, have a safe trip when your in the field. velocities are almost the same...more ammo choices with the full size cartridge. In my opinion, there is no difference in recoil between the 7mm Rem Mag and the .300 Win Mag. The SAUM was designed to produce 7mm Remington Magnum performance from a much smaller cartridge case and more compact rifle configuration. JavaScript is disabled. Mag., 7mm Weatherby Mag., .275 H&H Mag., 7mm Dakota, 7mm STW and 7mm Rem. 15.64 fps 30.4 foot-pounds Astute readers will notice a few things from these numbers: Contrary to popular belief, the heavier bullet does not drift less in the wind. Gun Parts - Stocks, Barrels, Actions, etc. per sec. You are trying to choose between two cartridges that are virtually identical in performance. In shorter barrels, performance declines dramatically. I would pick your preferred bullet and measure the oal when seated to the base of the neck and verify that will work with your magazine and then have the barrel throat cut to match. I am building a hunting rifle with one of them and wondering if I use the berger bullet and have to use a long action would it be best to make it a 7 rem mag instead of the 7wsm. Save Share. The 7mm SAUM is an ideal cartridge for long-range competition and long-range hunting. I guess I need to know is is the 7 rem just as accurate as the 7wsm. 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