9.3x62mm Mauser Ammo. As a cartridge for a "guide rifle" it is hard to beat. Cartridge Type: Rifle Height: 2.1" Width: 0.535" Average FPS: 3134 Average Energy: 3314 Average Gr: 152 Recoil: 2.06 Power Rank: 4.76 of 20 The 7mm Winchester Short Magnum (WSM) was designed in 2001 by Winchester Repeating Arms Company and Browning Arms Company. This gun in a short action with a 26″ barrel tips the scale at 6 lbs 3 ozs. The 160 grain factory load claims a MV of 2990 fps (2960 fps) and ME of 3176 ft. lbs. SAUM and .300 RCM also advertise similar ballistics. In reality, many factors influence intrinsic accuracy and performance more than the length of the powder column inside of the cartridge. Specifications [edit | edit source]. On the other hand, the Winchester Short Magnum cartridge does not have a gigantic advantage in either category either and there’s actually a smaller difference in the ballistics of the 7mm WSM vs 7mm Rem Mag than there is with the 270 WSM vs 270 Winchester. The Federal Ballistics Calculator lets you quickly determine the trajectory for any rifle or handgun load, and save data for an unlimited number of loads. SAUM, 7mm Rem. The recoil is much less than what you'd think. by a nose. Re: 7mm mag vs 7mm wsm ?? These .308 length offerings, developed by Hornady for Ruger, are based on shortened .375 Ruger case. In 2004 they announced the .25 WSSM. The main argument in favor of any of the short magnums is their alleged greater efficiency due to their shorter powder column. 30-30 Win. That leaves the .338 RCM a definite step ahead of the .325 WSM, but clearly inferior to the .338 Win. SAUM boast similar ballistics, although neither has become popular. While you can read all over the internet published velocities of 3200 fps (130 grain ... click Goodbye 7mm Rem Mag, Hello 270 WSM Part II. In reality rifles chambered for the 7mm WSM typically chronograph 50-100 ft/s faster than the 7mm Remington Magnum with all bullets weights. In fact, one of the justifications for the extremely sloping 8.5 degree shoulders of the original .375 and .300 H&H Magnum cartridges was feed reliability because of their anticipated use on dangerous game. The first true commercial short magnum was the .350 Remington Magnum, introduced in 1965 by Remington. (3221 ft. Those who are interested can read the individual articles about the various short magnums on the Rifle Cartridge Page. The 150 grain factory load has a claimed MV of 3300 fps and ME of 3628 ft. lbs. The 7mm WSM cartridge achieves its useful purpose as an excellent cartridge for larger mule deer, sheep, black bear and elk. Firstly, both rounds are belted mags based on the .375 H&H Magnum cases.The primary function of a belted magnum was to provide accurate headspace control because the sloping shoulders, while reducing … Hornady offers .300 RCM factory loads with 150, 165 and 180 grain bullets; 200 and 225 grain bullets are offered in the .338 RCM. The 6.5mm Rem. Winchester claims a muzzle velocity (MV) of 3,225 ft/s with a 140 grain bullet for their 7mm WSM cartridge; the claimed muzzle energy (ME) is 3,233 ft. lbs. The new 7mm short magnums are clearly redundant. The following are Winchester .300 WSM figures. And, in spite of the myriad attempts to produce a 7mm Mag. As far as I can tell, all WSSM caliber rifles have been discontinued, although Winchester continues to offer the ammo. The ballistics of the .350 Remington Magnum factory load introduced in 2003 claim a 200 grain bullet at a MV of 2775 fps and ME of 3419 ft. lbs. Copyright 2002, 2017 by Chuck Hawks. Mags.) 7mm Rem Ultra Mag. Compare all .300 ammunition manufacturers on one easy to read chart. The majority of bullet weights used for the 7mm rem mag rounds fall between 150 and 175gr though there are outliers of lighter and heavier bullets if you need them for specific hunting or shooting purposes. A short action 27” barreled 7mm WSM is approximately the same length as a 26” barreled 7mm Remington Magnum. The 7mm Remington Magnum is a versatile cartridge that’s well-served by slow burning powders. [3], Cost is another factor limiting popularity. All of the WSM and SAUM cartridges use a .532-.534 inch rebated rim of standard (.375 H&H) Magnum diameter. The most important difference between this cartridge and the .300 WSM is the relative scarcity of 8mm bullets for reloading. While the .350 Rem. These figures were all taken in a 24 inch test barrel. Mag., .270 WSM, .300 WSM, 7mm WSM, .300 Rem. WSM and WSSM family of cartridges. The standard length 7mm Rem. The 7mm WSM and 7mm Rem. There has been speculation about what other calibers might be offered in one or the other of the short magnum formats. With a 160 grain bullet the Winchester figures are 2990 ft/s and 3176 ft. lbs. 9x18mm Makarov Ammo. The .300 WSM seems to be the favorite among all of the short magnums. 30 TC. vs. 7mm Rem. The overall cartridge length was set at 2.825 inches. The Remington Custom Shop also chambers rifles for the .350 Magnum, which seems to have caught its second wind in the 21st Century. Magazine capacity may be reduced by one cartridge because the WSM and SAUM cases are so fat--another reason standard magnum cartridges are preferred for use on dangerous game. Does the perfect muley cartridge really exist? In a hunting rifle, any advantage conferred by a shorter powder column is insignificant. These figures are well beyond what the short action .358 Winchester can achieve. In this cartridge comparison of the 7mm Rem Mag vs .300 Win Mag, ... it also must send heavier grain bullets down range while maintaining necessary terminal ballistics. Best prices on 7mm WSM Winchester Short Magnum ammo for sale online. Complete .300 Winchester ammunition ballistics Chart. handily out-performs the new .25 WSSM, also introduced in 2004, as a big game hunting cartridge. Mag., 6.5 Rem. The true short magnum cartridges begin with the 6.5mm Rem. Mag. Thread Status: Not open for further replies. These claims are valid if the short magnum cartridges are fired in 24 inch barrels, the same length as the barrels of most 7mm Rem. The Short Magnum Cartridges Some people erroneously believe the short case necks make the 7mm WSM poorly suited to heavier bullets, limiting the cartridge's usefulness on larger game. The .300 WSM, .300 Rem. The differences between the 7mm Rem Magnum and the .300 Winchester Magnum rounds are shown in the table above. October 28, 2013 Paramount are the uniformity and concentricity of the bullet, the quality and precision of the rifle barrel, the care taken in bedding the barrel and inletting the stock, and the care with which the loads are assembled and matched to the rifle. has about a 100 fps advantage with these heavier bullets. Their performance is easily exceeded by standard cartridges, such as the .25-06. The stats are generated using both a 7mm Remington Magnum, Winchester Ballistic Silvertip, 140g (ballistic coefficient 0.46) and a 7mm Remington Magnum, Winchester Ballistic Silvertip, 150gr (ballistic coefficient 0.493) being fired at a velocity of 3100fps from muzzle point blank, this also takes into account the standard 1.5" scope height, and a gun that has been sighted in at 100 yards. With any rebated rim case, the face of the bolt has less overlap with the rim of the case as it attempts to slide it forward and out of the magazine lips. The .350 Remington Magnum is a special cartridge because it brings true medium bore stopping power to short action rifles, combined with a useful 260 yard maximum point blank range. Mag. Ammunition Inputs. rifles. was reintroduced in 2004, also in the Model 673. You can see some of the differences between the .300 Winchester Magnum and 7mm Remington Magnum cartridges in the photo below. (The latter is rather a mixed blessing when shooting a magnum cartridge.). is a true medium bore cartridge. 7mm Rem Mag vs 300 Win Mag – Comparing Cartridge Sizes. and a 150 grain bullet at a MV of 3150 fps and ME of 3304 ft. lbs. The .350 Rem. The .270 WSM shoots as flat as the 6.5mm Magnum and hits a little harder. Let's take a look at the ballistics and prospects of the various short magnum cartridges, starting with the WSSM trio. These are short action calibers, designed to work through .308 Winchester length actions. The chamberings of choice are the .284 Winchester, 7mm Winchester Short Magnum (7mm WSM), and 7mm Remington Short Action Ultra … But the driving force behind the shortmags could just as likely have been a mandate from marketing to dream up another neato magnum offering so they could sell more guns and ammo. Units of Measure. This miracle of design is called a rebated rim and it allows increased powder capacity compared to the earlier .350 Magnum case, at the price of decreased feed reliability and one cartridge less magazine capacity. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, There were some wildcat and proprietary short magnums developed during the intervening years, but no other SAAMI standardized short magnum cartridges were introduced until 2000. The 7mm Rem Mag has a ton of potential other than merely being a hard-hitter if you handload the cartridge. Magnum are unique cartridges and each offers something special to the shooter. The standard length 7mm Rem. .270 versus 7mm Rem Mag. All figures taken in 24 inch test barrels. Think, pronghorn, mule, and fallow deer. These should have been named WSSC (Winchester Super Short Cartridge), for the WSSM cartridges are not magnum cartridges in any sense of the word and thus do not really merit inclusion in this article. is a useful cartridge that remains my favorite short magnum. The .270 WSM kicks a lot harder than the 6.5mm Magnum, just under 19 ft. lbs. It is worth noting that the 6.5mm Mag. to get tuned properly and KEEP it tuned properly. Like the earlier Remington short magnums, they mate with standard magnum-size bolt faces. .350 Rem. In a nutshell, here’s why: given equal rifle mass, optimum bullet Ballistic Coefficients and Muzzle Velocities in each caliber, the 7mm RM will shoot flatter, drift less and recoil with less brain jarring recoil than the 300 WM. In the same class as the .300 short magnums is the .325 WSM. are the best designed and most reliable of the short magnum cartridges. 7mm STW. 7x57mmR Ammo. Ballistics Calculator. I thought "well this may be the answer to my issue"! (3133 ft. 7mm Win Short Mag Ammo. Remington adopted these dimensions to enable their short magnum cartridges to fit into the compact Model 7 action. The Remington 6.5mm Magnum factory load drives a 120 grain bullet to a muzzle velocity (MV) of 3210 fps and muzzle energy (ME) of 2745 ft. [5]. The following ammunition cartridge ballistics information and chart can be used to approximately compare .270 WSM Winchester Short Magnum vs 7mm-08 Remington ammo rounds. The .338 RCM is offered factory loaded with 200 and 225 grain bullets, which is fine as far as it goes. The .300 WSM has found a place in the market, while the .300 SAUM is already obsolescent. Column inside of the Remington version, it looked exactly like a 6mm on. 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