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Outside of 1,300, things can get a little muddy, but chances are if I'm taking a shot there and beyond I'll most likely have some time to calculate a more precise solution using other means. The interchangeable design also provides an enhancement of the already well-renowned Mauser extractor. For these reasons, a cool headed marksman that knew exactly where to shoot an animal could use the 7mm Mauser to take game far larger and tougher than you would expect if you just looked at the ballistics of the cartridge on paper. 30-30 case to create a flatter shooting, lower recoil cartridge. Mauser once built a special intermediate length action for the 7x57, but none of the major rifle makers do so today. It is an excellent deer cartridge, and deserves more recognition than it has so far received. All Ultra Mag cartridges are necked-down versions of the. This cartridge gives non-handloaders handloaded 7mm Mag. The world changed forever when the 7mm Mauser came onto the scene in the 1890s. The cartridge uses a large rifle magnum. If the right offer came along. 781 inches also delivers excellent accuracy from my Ruger No. 284 Winchester seems best suited seldom come with 24-inch barrels. Examples are the Nosler AccuBond LR, ELD-X, Berger VLD Hunting, and the Barnes LRX. This is clearly illustrated by data shown for the two cartridges in the new handloading guide recently published by Western Powders. GOING HOT The 7mm SAUM is an impressive long-range performer. Prescott, AZ: Wolfe Publishing. First, many 7x57mm Mauser loads especially 173gr full metal jacket military ammunition use long bullets that have a high sectional density and penetrate very well. 308 caliber to equal the flat trajectory and penetration of a. 595 inches long, and according to Barnes, its highest velocity from a 24-inch test barrel was 3,067 fps at a cartridge length of 3. And if the match you're shooting requires a fair amount of multiple target engagements, managing the recoil of the SAUM can be work and may not be the ideal choice, especially in unconventional shooting positions. 243, both based on the same case, still outsell the 7mm-08. Cartridge dimensions [ ] The 7mm Remington Magnum has 5. I have not tried the 7BR so I don't know how it performs at the longer distances on game but I do know how well it does on game at 500 and 600 yards. The people asked and Trijicon answered. I was able to get dialed within 46 rounds of load development. The 7 SAUM is also easy to load, which means less time at the bench and more time learning and having fun on the range. With the current climate we are finding ourselves in unchartered waters. 30-06 Springfield , making them suitable for shots out to 300-400 yards or so perhaps further in the right hands. See also [ ]• Hunting With The 7mm Mauser The 7mm Mauser is a great cartridge for hunting medium sized North American game like whitetail deer, feral hogs, javelina, pronghorn, black bear, elk, javelina, mountain lion, caribou, mule deer, bighorn sheep, and mountain goat. For that reason, they tended to penetrate very well. I shot ammo from the latter four along with Federal in the Cooper Model 52 rifle, and the outstanding results are listed in the accompanying chart. I am not the best shot in the world but that will kill deer all day long. I have been thinking of a handgun for hunting deer sized game. We can use a simpler method to get fast and accurate wind holds. With these rounds, they could cram a high volume of powder , often breaking the sound barrier with muzzle velocity. The difference between the 7mm mauser and the 7-08 lies in the ability of the former to utilize the heavier 173 — 177 grain bullets. So much for the military history on the 7mm Mauser. The trigger breaks at 32 ounces with no detectable creep or overtravel. 270 Winchester will do and it will do it in a short action rifle. My choice to go with the 7mm came from a conversation with a competitor talking about how impressed he was with his 7 Winchester Short Magnum WSM. Recoil is modest, meaning most all people can shoot it well. American 7 mm cartridges have 7. 22-250 is known as one of the fastest, flattest-shooting varmint rounds of all. It is based on the same case as the. The Mausingfield uses an extractor collar that is a solid ring design instead of a flexible collar. Enjoy this article on the 7mm Mauser? This former wildcat was developed for long range target shooting where participants usually handload their ammunition. In the extreme category are the extra long. Which eventually opened the door for its ballistic twin, the 7mm-08 Remington. Because of the smaller bullet diameter. 270 ballistics in a cartridge that would work through short action rifles. The benefits of the heavy, high-BC bullets and generous muzzle velocities make for an excellent all-around performer at matches or afield. While the 7mm STW has more competition today than it did back in 1988, it continues to hold its own in the field with any cartridge of its caliber. Regardless of the powder used, I continue to prefer the Federal 215 primer. Contents• Wildcats are not governed by C. On the other hand, the proportions of 7mm Winchester Short Magnum promote good internal ballistic efficiency that allows the 7mm Winchester Short Magnum to fire shorter lighter bullets at slightly higher muzzle velocities while using less propellant than the classically proportioned 7mm Remington Magnum. The 7x57 has done it all for about 100 years, but it is based on an unusual length case. And since the rifle has no magazine, there is no limit on overall cartridge length. Generally speaking, when loaded with bullets weighing between 140- and 160-grains, it can do anything and everything the. Ed brown falling block and a Competitor that I used to shoot. 30-06 can do with 150- to 180-gain. at Chuck Hawks• 30 caliber, I would need to jump into the. Main article: While it has been occasionally factory chambered in various rifles, the chief reason for its survival has always been wildcatting. The cartridge works very well and we have all taken deer out to 300-345 yards. It is based on a necked down. The question I have been asked most is which among the many hunts the 7mm STW and I have shared through the years is my favorite. References [ ]. Depends on what you're after and the amount of work one has to put in for a meat gathering hunt? 280 Remington has a lower 405 MPa 58,740 psi C. The same goes for and roe deer in Europe and New Zealand as well as most species of like impala, zebra, wildebeest, gemsbok, waterbuck, and kudu. An interchange- able bolt head allows for a multi-caliber system. For a period lasting a decade or more, hunters remained enthrallment with standard- and long-action rounds. The Savage barrel nut system is exceptionally easy to use, and I can swap out a barrel in about 15 minutes using an ingenuitive jig that Thomas created. However, the opposite is sometimes true for certain types of 7mm bullets: if they are designed to withstand the high impact velocities sometimes encountered with the 7mm Magnum, they may not expand fast enough for good terminal performance when fired at the slower velocity of the 7mm Mauser. The 7mm Winchester Short Magnum is considerably shorter and fatter and has a steeper shoulder angle and a shorter neck 6. It would be a bit overkill but if I wanted to shoot smaller critters I could run the 55 br BT at 3600 fps according to Hogdgon. The 7mm Remington Magnum is based on the commercial. Book an outstanding safari here. The additional powder burned in my Ruger No. I could seat a magazine-length bullet into a dummy case and have the leade cut to maximize accuracy for that overall length. I topped it with a Leupold Vari-X III 2. 284 Winchester, was introduced to provide. SAUM, 7-30 Waters, 7mm-08 Rem. From 1979 to 1980, Remington called the cartridge the 7mm Express Remington in an effort to spur sales, riding the wave of 7mm craze overtaking hunters at the time. He introduced the new cartridge to the world in the May 1989 issue of Shooting Times magazine. Berger recommends a cartridge length no shorter than 3. While I shot some factory ammunition, I developed a load around IMR 4831 and the 160-grain Nosler Partition bullet that gave me a muzzle velocity of about 2,820 fps and 100-yard accuracy of just under an inch. Neither of these big, tough animals noticed they were not hit with a. A 4-7 mm tapered graft with 10 or 15 cm of removable rings allows for tailoring or exact placement of the ringed section. The short mountain rifles for which the. Second, the 7mm Mauser is easy for most people to shoot accurately and place their shots on an animal precisely. Sam, Concerning both cartridges, the 7-08 will handle the 162 plus bullets much more readily than 7mmBR! 308 diameter bullet to get the same sectional density as a 175 grain. The only real differences between them are the slight variations in velocity, kinetic energy, and trajectory where the 7mm Magnum has a the advantage and recoil where the 7mm Mauser and 7mm-08 have the edge. The heaviest commercially loaded ammo available for the 7mm is 180 grains [ ], while the. I wanted a short action to save on weight for hunting, so that immediately drove me to the SAUM offers arguably better performance than the. 90 mm than the 7mm Remington Magnum. Some of the new bullets are too long for use in the magazines of repeating rifles. If we take our range to the target in hundreds of yards, then subtract three from that number and an additional. Additionally, when hunting game at shorter ranges, those high velocity bullets generate a lot more blood shot meat on thin skinned. 2 Rifling twist 254 mm 1 in 10 in Primer type Large rifle Maximum pressure 440. , 7mm Dakota, 7mm STW, and 7mm Rem. A Remington 700 footprint is the foundation for this engi- neering marvel. That gives these beltless magnums a very large case diameter. Whereas twist for rifles chambered for the 7mm STW is usually 1:9, Berger considers 1:8. is a superb all-around, long-range, big-game cartridge used to confidently hunt all North American big game. 284 Winchester-case based cartridge is not the original, but rather the. 280 Remington Introduced by Remington back in 1957, it was initially chambered not in the Model 700 bolt action rifle but, instead, in the Model 740 autoloader and later in the Model 760 slide-action rifle and Model 721 and 725 bolt actions. Well, I went with neither cartridge. Winchester has continued to produce brass cases for this since 1963, Introduced by Winchester in 1963, the. I dropped the package into a Kinetic Research Group KRG Whiskey-3 Chassis and topped it off with a Kahles K624i 6-24X scope with MSR-K reticle. Few people have had as big of an impact on the shooting and hunting worlds as the legendary German gun designer Paul Mauser. This reduces usable powder capacity and hence performance compared to longer action cartridges like the. regulated countries are proof tested at 537. For a hunter the milder more efficient 7mm mauser is better. The American cartridge is probably the closest ballistic twin of the. September 28, 2007, at the• , which many consider one of the best ever for deer-sized game, and even elk. Since I first wrote about the 7mm STW, military surplus H870 powder has been replaced by newly manufactured US 869, and Accurate 8700 has been discontinued. Choice of bullet and barrel length [ ] Bullet choice when reloading is critical, as bullet velocity at close ranges may result in less robust bullets disintegrating without providing significant penetration on especially tough game. It is unlikely that they ever will, as rifles for them are few and tend to be expensive, and they offer little or no ballistic advantage over the more common 7mm Weatherby Magnum. 1 was reamed long enough to allow the new extra-long bullets to be seated out of a case for minimum intrusion on its powder cavity. That's unfortunate, as it can offer the best bang for your buck as an effective and efficient long-range performer due to exceptional bullets with outstanding ballistic coefficients BC and muzzle velocities. It essentially uses less powder to achieve the same velocities as the standard 7mm Rem. Featuring the revolutionary non-rotating Mauser extractor and designed to accept 5 round stripper clips to facilitate fast reloading, the Mauser 1892 and 1893 were accurate, reliable, and easy to maintain. Back in the mid-1980s, I obtained one of the then-new Remington Model 700 KS Mountain Rifles chambered in. had limited exposure until early 1950s when Weatherby rifles became more available. 1 mil under the actual values, which is close enough for me. Both of those calibers have significantly higher recoil, and the gains are only. That's pretty simple, so the SAUM's rep- utation holds true. We all shoot ballistic tips and as long as we shoot straight they have not let us down. With the above velocities for my 7 SAUM load, the math is fairly simple for a quick range card in your head. When the cartridge over all length is maintained, deeper-seating is necessary with long heavier bullets. Norma brass is amongst the best avail- able and is incredibly consistent with zero cull rates. Available in a huge array of production rifles, it allows the hunter to choose a rifle in this chambering that fits his wants and needs exactly. Punching paper will tell the story for a particular rifle and bullet combination. The 7mm SAUM is an ideal cartridge for long-range competition and long-range hunting. There is NO comparisson between the power of these 2 cases. This applies to all cartridges, including the 7mm STW. Its overall length is just slightly greater than what can be accommodated by most short action rifles, so it is usually found in standard length actions, where it's performance is outclassed by longer cartridges like the. That source shows about the same velocity for a 160-grain bullet from the Remington and Weatherby cartridges, with both being about 200 fps slower than the 7mm STW. 2013-07-15 at• Left to right: , and 7mm Remington Magnum Type Place of origin Production history Designer Designed 1962 Manufacturer Remington Produced 1962—Present Specifications Parent case Bullet diameter. These 21st century ballistic twin short fat magnum cartridges can handle 440. This makes the 7mm Remington Short Action Ultra Magnum better suited for loading long heavier bullets. 5 for the 175-grain ELD-X, and while accuracy was quite acceptable from the 1:9 twist of the Cooper Model 52 barrel, a quicker twist would likely shrink group size. 75 inch at the muzzle, and it wears a very efficient 30-port brake. Those 173gr bullets were also quite long and had a high sectional density of. I used two powders: H1000 and H4350. With that said, most folks in the tactical shooting community have gravitated to using 6. at The Reload Bench. 7 7mm Remington Ultra Magnum 7mm Rem. On its introduction, the 7mm Remington Magnum substantially usurped the market share held by the , which went into sharp decline in popularity and sales after 1962. 16 MPa piezo pressure according to the SAAMI. Factory loaded ammunition for all of these is available to the North American hunter. That along with a 30-inch barrel increases velocity by about 200 fps compared to a 26-inch barrel with a chamber throat of standard length. It's silky smooth and the bolt runs like it's not even there. 3 7mm-08 In an effort to combine the efficiency of the short. Be that as it may, the 7mm-08 took a while to catch on with modern American hunters. Ive used the 7BR for deer hunting and I have 2 friends that do also for 10 plus years. Click on chart for a full size image. 3 MOA and a conser- vative 2,920 fps with standard deviation SD at 6 fps. In other words, they are short but very fat cartridges with sharp shoulders. 458 bullets, but if they are placed appropriately, heavy 7mm bullets have very good odds of penetrating through even the thickest muscle and bones to hit the vitals of an animal. The Berger 195-grain Elite Hunter at 1. With a 180-grain VLD very low drag bullet pushed at 3,000 feet per second fps , the numbers were convincing. 921 inches, the 195-grain Berger freetravels 0. Both have proven themselves to be timeless. And the best of the short action 7mm's, the. Ballistically, it ranks just slightly below the. there wasn't any 7BR brass too be had. It will kick you a bit though! The 7mm Remington Short Action Ultra Magnum is considerably shorter and fatter and has a steeper shoulder angle and a longer neck 7. The chamber throat of my custom Ruger No. The best of these has not been influenced by the. 17 mm than the 7mm Remington Magnum. This is because in shorter, i. I had no desire to play the neck-down game with. The Hornady 175-grain ELD-X is most accurate in my Ruger when seated 0. 3 mils of wind drift for 10 mph, or. 275 Rigby which is what the British called the 7mm Mauser for British citizens hunting all over the globe. 0 grains of Reloder 25 for a velocity of 3,229 fps. 280 Remington with the same weight bullet. This is due both to the higher muzzle velocity of the compared to the Springfield and that. Powders designed for 15 inch tubes are limited to faster burning media that the slow burners 20inch plus rifles normally use for 7mmBR's Big Brother? 89 mm long neck better suited for loading long heavier bullets. Basically, this short cartridge can do anything the 7mm Rem. The common for this cartridge is 241 mm 1 in 9. I used the Jarrett 7mm STW No. A word of caution for reloading the 7mm Mauser though: the originally got something of a bad reputation for poor penetration because the original 7mm Magnum loads fired bullets designed for the 7mm Mauser at a significantly higher velocity than what those bullets could withstand. , which offers even better performance than the. had to resort to filling up empty space with COW Cream of Wheat , which was only marginally successful sending bullets at 300 yds? GOIN' WITH THE WIND As with most of the 7mm heavies, the 7 SAUM is very efficient in the wind. Both of them 15" I can not imagine a better round for game in a pistol out to 400yds. 270 performance from a new autoloader and old-style, lever-action rifles. maximum allowed chamber pressure and, as a European 7 mm cartridge, has a slightly larger bore. These superb valves are one-piece forged from a racing grade stainless steel alloy with a hard black finish and a bearing quality hardened tip at the end of the stem to prevent premature wear with high-lift applications. Mauser also made a large number of commercial rifles chambered in 7mm Mauser specifically designed for sporting use and the company also continues to manufacture the M 98 Standard rifle in 7x57mm Mauser. 5 to come up with our hold in mils. In that same vein, Jim Corbett detailed multiple accounts of using his. I would encourage any long-range enthusiast to take a hard look at the details of the 7mm. or a maximum average pressure of 65,000 psi 448. Once we start looking at the wind from this point of view, it can give us an immediate indication of how accurate we need to make our wind calls for a given target size. I cut straight to the chase and sprung for Norma brass, which proved to be an excellent decision. Recent Advancements One of the more interesting advancements during the past 30 years is a new crop of high-ballistic-coefficient bullets. 270 was too well established to be overtaken by any of these 7mm cartridges.。 。 。

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