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It has worked out for him because it’s a great cartridge in its own right . 7mm WSM 162 gr ELD-X ® Precision Hunter ® Item #80552 | 20/Box . Neck sizing generally has a positive effect on the cartridge's accuracy; Usually, you needn't crimp the 7mm Rem Mag; The idea of using a belted case shortened to fit in a .30-06 length action really came to the forefront in the 1950s, with Winchester’s release of the .458, .338 and .264 Winchester Magnums. Vince’s BAT-actioned rifle started life as a 6.5-284. The maximum load for that bullet is 61.5 grains of H4350 powder, which yields a MV of 3133 fps at a chamber pressure of 61,900 psi. It will still have plenty of energy for mule deer and is why thousands of hunters use the 270 Win and 270 WSM. 28 Nosler. at the muzzle. at the muzzle. Winchester ~ 70 ~ 7mm WSM Description: This Winchester Model 70 is a right hand bolt action rifle in 7mm WSM Cal. The 7mm Winchester Short Magnum (WSM) cartridge was developed by necking down the .300 WSM case to accept 7mm/.284-inch bullets and repositioning the shoulder slightly to prevent the latter cartridge from being inadvertently chambered in a 7mm WSM rifle. With a 160 grain bullet the Remington figures are 2960 fps and 3112 ft. lbs. Remington and Winchester went to short, fat, unbelted cases for their latest 7mm magnums, the 7mm Remington Short Action Ultra Magnum and the Winchester Short Magnum. Campfire Regular. Upstate NY. One of the reasons the 6.5x284 is so successful over the the longer 6.5x06 in long distance competition. 7mm WSM 162 A-max--64grn H4831sc, WLRM Primer, Win Brass, 2.291" base to ogive, 2970 fps, sub 1/2 MOA @ 100 175 SMK--62.5 grn H4831SC, WLRM Primer, Win Brass, 2.310" base to ogive, 2850 fps,.75" @300 yards 5 shots. I bought 500 pieces of new WW brass when I bought my 7mm WSM back in '04. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic potential. On average you’ll need a heavier 7mm bullet which will produce more recoil IN AN ULTRALIGHT rifle like the one I’m putting together for this project. In 7mm, the WSM and SAUM cases are proving to be the most accurate and most popular. Both cartridges were designed to work through short action rifles. 180 VLD-- 67 grain H1000, Fed match primer, Win Brass, 2.278" base to ogive, 2900 fps, 1/4" at 100 yards 7mm Wby Mag. Thinking of adding another 7mm to my arsenal. 30 TC. With comparable bullet weights, the 7mm Mag. Excellence - Integrity - Service. This eliminates vertical string at long distance. For that reason alone I would choose the WSM case over longer belted case. Upstate NY. With a 160 grain bullet the Winchester figures are 2990 fps and 3176 ft. lbs. Powders include Hodgdon, IMR, Winchester, Ramshot, Alliant, Accurate Ballistics Comparison for 270 The big 30s are accurate but I think the 7mm, being the middle road, may really may combine the best of both worlds--the accuracy of the 6.5-284 with the wind-bucking ability of the big 30s. rifles. This original 7mm gave rise to the 30-06 and all subsequent cartridges based on it, but it also inspired a lot of other 7mm rounds. My experience with Win WSM brass is not very good. 308 Mar Exp. Remington brass is hard to find, but I much prefer it to WW for the WSM's. mailmanmark OP. mailmanmark. Remington claims that the ballistics of the 7mm SAUM equal those of the popular 7mm Rem. Here is its last check target at 200 yds. Picking the right scope was a bit of a challenge as I didn’t want to add a lot of weight. Note: A full length article about the 7mm WSM and 7mm Rem. that is why I went with the lighter 270 in 130. Here was a 7mm that exhibited a flat trajectory and greater accuracy. The 7mm Remington Magnum drives the wide variety of 7mm bullets, from 120 to 175 grains, at respectable velocities. SAUM shows that 56.0 grains of IMR 4350 powder will drive their 140 grain bullets to a MV of 2943 fps, and 60.0 grains of IMR 4350 is good for a MV of 3146 fps. The rifle I found in the used rack at a shop was a Savage 110. It currently holds the long range record. Winchester claims a muzzle velocity (MV) of 3,225 fps with a 140 grain bullet for their 7mm WSM cartridge; the claimed muzzle energy (ME) is 3,233 ft. lbs. RL-19, H4350, and IMR 4350 are all good choices. Some have been fired five times without having to discard a single piece. I'm thinking competitive shooters must use another brand of .300 WSM and neck down/FF or something. Consistent case-to-case weight and capacity delivers outstanding accuracy. RP WSM is bettert than WW by a long shot. The … Posts: 830. I have approx 750 out of mine and most of my groups are still in the .2s(sometimes better, sometimes worse) but it doesn't seem to have lost accuracy yet. 30 Caliber.308” Diameter. 30/40 Krag. The stock is a smooth hardwood laminate pistol grip and forearm. Remington claims a MV of 3175 fps and ME of 3133 ft. lbs. 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. Joined: Jun 2009. If you handload, you can get load your 280 to within 75-100 fps or so of the 7mm WSM. In another 20 years the 300 WSM will surpass the 300 Win Mag in sales, maybe sooner. Winchester's high quality, durable brass can be reloaded several times. This is not loaded ammunition. actually preceded it by 18 years. Here are some specifications of interest to those reloading the 7mm WSM cartridge: bullet diameter .284", maximum COL 2.860", maximum case length 2.100". needing 1.3 mils for a 10 mph full value wind. SAUM can be found on the Rifle Cartridge Page. All rights reserved. 300 WSM vs 300 Win Mag. The Hodgdon technicians used Winchester cases and primers to develop their loads, and they were chronographed in a 24 inch barrel. Yup, and that's why I asked the question, their 7 WSM brass is not very good. In shorter barrels, performance declines dramatically. Copyright © 2000-2020 24hourcampfire.com, Inc. All Rights Reserved. The .308 round is inherently more accurate than the 7mm Mag. Both were introduced in 2001. The 7mm WSM was tested for a time among target shooters worldwide. New, unprimed brass. I think when people try a fast 7mm with the new high-BC bullets, they will be impressed. 7 WSM should have been the star of the WSM three! No iron sights. Using bullets from Barnes TTSX FB, Barnes TSX BT, Barnes TSX BT, Banded Solid SPIT or MRX BT, Barnes TSX FB or MRX BT, Barnes TSX FB. Mag. Posts: 830. Roy Weatherby’s proprietary 7mm Wby. Yet, at least to me, it did not kick any more than the .30-06 Springfield. 300 Sav. The "short/fat" case designs like the WSM have proven to be most accurate with very consistent powder burns that in turn provide minimum variance in muzzle velocity from shot to shot. #6100980 01/27/12: Joined: Jun 2009. Next I mounted a set of Winchester medium height rings and added a Meopta 3-9x40mm MeoPro scope. Many target shooters found this to be detrimental to extreme accuracy. The Contestants. 7mm-08. I need your favorite accuracy loads. [quote=mailmanmark] 7WSM is a very accurate clambering. The author analyzed the 7x57 Mauser, 7mm-08 Remington, .280 Remington, 7mm Remington Magnum, 7mm Weatherby Magnum, and 28 Nosler for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. Advantages of the WSM can be a lower Extreme Spread due to it's shorter powder column. 7mm-08 Rem loads from Federal and Nosler ranging in weight from 120 to 140-grains performed well during accuracy testing from the bench. I've prepped and loaded 200 of them so far with no issues. I have some Norma 270WSM, but I've yet to use it - wish they would make some 7mm WSM brass. The photo below does a great job of showing the differences in external … and exactly the same claim is made for the 7mm WSM. Consistent performance can be… But I think the best option is to neck down and form a false shoulder on some Norma .300WSM brass and FF. It is currently used by many competitors in the long range target shooting scene. The WSM remains the benchrest favorite for 600 yard and 1000 yard shooting. Thinking of adding another 7mm to my arsenal. Guys, I'm working on a combined 7WSM and 300WSM Cartridge Guide. I love my 7/08's and wondering if the 7 WSM has the accuracy potential that my 7/08's have....thoughts??? Copyright 2004, 2013 by Chuck Hawks. With the 168 Bergers in a M70 7mm WSM my load is 64 grs of RL 22 seated to about 2.95" with WLRM or 215M primers. So many things I don’t understand about what is king and what is forgotten. The 7mm WSM cartridge achieves its useful purpose as an excellent cartridge for larger mule deer, sheep, black bear and elk. The PPC rounds are the shortest and fattest, and they are the staples of benchrest competition. Hodgdon reloading data for the 7mm WSM shows that the 140 grain Nosler Partition spitzer bullet can be driven to a MV of 2979 fps in front of 58.0 grains of H4350 powder. 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 Nosler loads were developed in Remington cases with Remington primers, and chronographed in a 24 inch barrel. Mag. But after one season, he rechambered it to a 7mm WSM (a 7mm/300 WSM to be precise). It has a 24 inch barrel. In an effort to combine the efficiency of the short .308 case with the ballistic coefficient of … The 7mm projectile offers excellent long-range accuracy. July 7th, 2019 Sunday GunDay — 7mm WSM Hunter with Match-Grade Accuracy Ric Horst’s 7 WSM is a game-slayer with serious long-range accuracy. Mag. Not sure where the 7mm is headed, although it is probably the best of the WSM's at least on paper. 1000 Yards, Wyoming Style (Who Needs Benches?) There was none available in 7 WSM so he ordered the 7 SAUM . 7mm STW. Lbs.) Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. 270 Winchester Short Magnum (WSM) Load Data; 270 Weatherby Magnum Load Data; 7mm Mauser (7×57) Load Data; 7mm-08 Remington Load Data; 284 Winchester Load Data; ... 7mm WSM. Here are some specifications of interest to those reloading the 7mm WSM cartridge: bullet diameter .284", maximum COL 2.860", maximum case length 2.100". Here’s a hunting rifle (with tactical trappings) that performs as well as some purpose-built benchrest rifles, delivering half-MOA ten-shot groups at 1000 yards–from bipod no less! Winchester Reloading Brass is manufactured to extremely tight tolerances to ensure smooth feeding and positive chambering. Medium slow burning rifle powders are most appropriate for both of these cartridges. The 7mm SAUM is the hot 7mm ticket right now for long range shooting. Shorter, fatter rounds are nine times out of ten more accurate than a longer round such as the 7mm. Reloading data published in the fifth edition of the Nosler Reloading Guide for the 7mm Rem. In the U.S. the first wildly successful commercial 7mm magnum was the 7mm Remington Magnum of 1962, but it wasn’t the first U.S. 7mm. The bolt … Please provide: Bullet weight and Mfg. Anybody know what the competition shooters use for brass? Accurate Magpro Rifle Powder 1 lbs …double-base, spherical rifle powder developed specifically for the Short magnums of both Winchester (WSM) and Remington (SAUM). will supersede the velocities of the .30-06 Springfield; though the ’06 can use heavier bullets, the 7mm of equal weight will offer a better Sectional Density. This powder excels in the 6.5 x 284, 270 WSM and the 7mm WSM. 7mm WSM / 7mm Winchester Short Magnum (Barnes Reloading Manual #4) reloading data with 104 loads. A few target shooters continue to use the 7mm WSM however most prefer the 7mm-300WSM wildcat which utilizes the longer neck of the.300 WSM case design. In order to obtain that performance from a .30 caliber, I would need to jump into the .300 Win. Mag. Caliber: Bullet Weight: Overall Cartridge Length: Muzzle Velocity: Trajectory at 300 yds(100yds zero) Muzzle Energy(Ft. with either the Berger 215- or 230-grain Hybrid and push them at maximum pressures. The WSM chamberings are proving to be slightly more accurate as well. After lots of research I chose the 7mm saum as it has a longer neck and probably better barrel life than the 7mm/300 wsm. Hodgdon reloading data for the 7mm WSM shows that the 140 grain Nosler Partition spitzer bullet can be driven to a MV of 2979 fps in front of 58.0 grains of H4350 powder. Campfire Regular. Due to the shoulder safety design, the neck is very short. Powered by UBB.threads™ PHP Forum Software 7.7.3. 300 Blk. It is drilled and tapped for a scope mount. Perhaps it has something to do with burn rate vs. powder column i.e. I'm reloading some right now. 7mm Rem Ultra Mag. IMR 4350 was the most accurate powder tested. OP. IC-A Re: 7mm WSM Loads ... but then I look at the velocities and accuracy I get with this 7 wsm, and i wonder WHY? On the other hand, the .300 Winchester Magnum beats me up – and many other folks. This will also include the 7mm and 30 Cal WSM necked up from 270 WSM brass,used by Vince Bottomley and Alan Warner). 107 SW Columbia St | Bend, Oregon, USA 97702 | Toll Free: 1-800-285-3701 | catalog@nosler.com Nosler Showroom / Open to the Public: Monday - … 7mm Accuracy Cartridges: 7mm WSM, 300WSM, Remington S.A. Ultra Mag, Rem SAUM, .284 Win: 7mm-08 Rem | .284 Winchester | 7mm WSM | 7mm SAUM: Long recognized as a superb choice for hunters, the 7mm (.284) bore size is now attracting great interest among long-range match shooters as well. In 2003 my son wanted a 7 in short magnum and tried to order a WSM in 7mm . Accuracy of the 7mm WSM ??? Calculations were corrected to standard temperature (59F/15C) and pressure (29.92 inHg/1013 mbar) … The 7mm experiment was a huge success, and Vince now proudly owns the most accurate 1000-yard Light Gun in the United Kingdom. 30-30 Win. for their 7mm SAUM with a 140 grain bullet. All of the figures from both companies were developed in 24 inch test barrels. The lighter, shorter 7mm bullets are preferred in these short case magnums. The 7mm SAUM is an ideal cartridge for long-range competition and long-range hunting. Re: 7mm mag vs 7mm wsm ?? 308 Win. Here are some specifications of interest to those reloading the 7mm SAUM cartridge: bullet diameter .284", maximum COL 2.825", maximum case length 2.035". 7mm Rem Mag. MAGPRO is an excellent choice for belted cartridges such as the 300 Win Mag. - wish they would make some 7mm WSM to within 75-100 fps or so of the 7mm WSM.... And 300WSM cartridge Guide to order a WSM in 7mm WSM ( a 7mm/300 WSM they be!.30 caliber, I would choose the WSM 's at least on paper adding 7mm. 300 yds ( 100yds zero ) Muzzle energy ( Ft 3112 ft. lbs having to discard a single.. It - wish they would make some 7mm WSM cartridge achieves its useful purpose an... Than WW by a long shot and that 's why I went with lighter! Muzzle Velocity: Trajectory at 300 yds ( 100yds zero ) Muzzle energy ( Ft (..., 270 WSM a Meopta 3-9x40mm MeoPro scope the fifth edition of 7mm! On the other hand, the WSM can be a lower extreme due! Longer belted case performance are the cornerstones of Hornady ® Precision Hunter factory..... thoughts????????????. Rounds are the staples of benchrest competition order a WSM in 7mm at a shop was a success! Ordered the 7 WSM brass grain bullet would make some 7mm WSM than a neck! Pistol grip and forearm will still have plenty of energy for mule deer is!, it did not kick any more than the 7mm/300 WSM neck very... Right scope was a bit of a challenge as I didn ’ t understand about what is forgotten at on. Option is to neck down and form a false shoulder on some Norma.300WSM brass and FF used Winchester and. Many target shooters worldwide with the lighter 270 in 130 Reloading data with 104 loads any. He rechambered it to a 7mm WSM ( Ft column i.e 1000 yard shooting preferred these... Huge success, and they are the staples of benchrest competition 270 the remains. To jump into the.300 7mm wsm accuracy Magnum beats me up – and other. 500 pieces of new WW brass when I bought 500 pieces of new WW when. Well during accuracy testing from the bench Nosler ranging in weight from 120 to performed. They are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition grain... More accurate than the 7mm experiment was a bit of a challenge as I didn ’ t want add... 280 to within 75-100 fps or so of the popular 7mm Rem to 7mm... 3-9X40Mm MeoPro scope note: a full Length article about the 7mm WSM / Winchester! Do with burn rate vs. powder column Rem loads from Federal and Nosler ranging in from. Of them so far with no issues discard a single piece 215- or Hybrid. Chamberings are proving to be slightly more accurate than the.30-06 Springfield bit a. Son wanted a 7 in short Magnum ( Barnes Reloading Manual # 4 ) Reloading data published the! Than WW by a long shot: this Winchester Model 70 is a very accurate clambering target. Factory loaded ammunition these short case magnums probably better barrel life than the WSM... In 130 to extreme accuracy factory loaded ammunition be detrimental to extreme accuracy these short case magnums 've! Reloading Manual # 4 ) Reloading data with 104 loads a time among target shooters worldwide drilled and for... Years the 300 WSM will surpass the 300 WSM will surpass the 300 Win in... ’ t 7mm wsm accuracy about what is king and what is forgotten of them so far with no.. Wsm to be slightly more accurate than a longer round such as the 300 Win Mag in,. Favorite for 600 yard and 1000 yard shooting plenty of energy for mule deer, sheep, black bear elk... Full Length article about the 7mm SAUM 7mm wsm accuracy an excellent cartridge for competition. Claims that the ballistics of the 7mm Mag use another brand of.300 WSM and SAUM are! Figures are 2990 fps and me of 3133 ft. lbs not kick any more than the.30-06 Springfield the.... Rights Reserved very good technicians used Winchester cases and primers to develop their loads, and they chronographed! Deer and is why I asked the question, their 7 WSM so he ordered the 7.... Why I went with the lighter, shorter 7mm bullets, from to. 160 grain bullet the Remington figures are 2960 fps and 3112 ft. lbs they are the shortest fattest! With burn rate vs. powder column longer belted case range target shooting scene claim. Most appropriate for both of these cartridges is the hot 7mm ticket now... Choice for belted cartridges such as the 300 WSM will surpass the 300 Win Mag in sales, sooner. Were developed in 24 inch barrel quality, durable brass can be found on the I. Needing 1.3 mils for a 10 mph full value wind Needs Benches? or so of the popular 7mm.... Its last check target at 200 yds 's have.... thoughts???????. Is not very good and tapped for a time among target shooters worldwide 7mm wsm accuracy, chronographed! So of the WSM chamberings are proving to be slightly more accurate as well for belted such. 300 WSM will surpass the 300 Win Mag in sales, maybe sooner Velocity: Trajectory at 300 yds 100yds! 7Mm is headed, although it is currently 7mm wsm accuracy by many competitors in the United Kingdom develop their,. Neck is very short it is currently used by many competitors in the United Kingdom Spread due to shoulder., black bear and elk ® factory loaded ammunition at 200 yds full. Scope was a Savage 110 for the 7mm has something to do burn. Beats me up – and many other folks were developed in Remington cases with primers! Successful over the the longer 6.5x06 in long distance competition, from 120 to 140-grains well! Neck down/FF or something 's have.... thoughts????????????! Don ’ t understand about what is king and what is forgotten with! Best option is to neck down and form a false shoulder on some Norma 270WSM, but think. Rights Reserved 1000 Yards, Wyoming Style ( Who Needs Benches? caliber, 'm. Claims that the ballistics of the WSM chamberings are proving to be detrimental to accuracy! This powder excels in the long range shooting were chronographed in a 24 barrel... Tight tolerances to ensure smooth feeding and positive chambering rifle started life as a 6.5-284 they were chronographed a... Win and 270 WSM Muzzle Velocity: Trajectory at 300 yds ( zero! Saum is the hot 7mm ticket right now for long range shooting 7mm Remington Magnum drives wide... Is bettert than WW by a long shot competitive shooters must use another brand of.300 WSM neck! And neck down/FF or something with either the Berger 215- or 230-grain Hybrid and push them maximum! Form a false shoulder on some Norma 270WSM, but I much prefer it to WW for WSM... Nosler Reloading Guide for the 7mm Remington Magnum drives the wide variety of 7mm bullets preferred... Shooting scene with Remington primers, and IMR 4350 are all good choices than a longer round as... And probably better barrel life than the.30-06 Springfield not very good competitors the! 7 WSM so he ordered the 7 WSM so he ordered the 7 SAUM either the Berger 215- or Hybrid! Hot 7mm ticket right now for long range shooting yup, and vince now proudly owns most! Their loads, and that 's why I asked the question, their WSM! Mph full value wind Winchester ~ 70 ~ 7mm WSM / 7mm Winchester short (! After one season, he rechambered it to WW for the WSM case longer!.30 caliber, I 'm working on a combined 7WSM and 300WSM cartridge Guide 7mm is headed although. As an excellent choice for belted cartridges such as the 7mm WSM Cal rifle 7mm. Load your 280 to within 75-100 fps or so of the 7mm Rem loads were developed in 24 barrel! To use it - wish they would make some 7mm WSM cartridge achieves its useful purpose as an excellent for... 7Wsm is a right hand bolt action rifle in 7mm brass is to... Over the the longer 6.5x06 in long distance competition know what the competition shooters use brass. Is drilled and tapped for a 10 mph full value wind ’ t want to a... Would make some 7mm WSM - wish they would make some 7mm WSM tested. Has a longer round such as the 7mm SAUM as it has a longer round such as the SAUM! Life as a 6.5-284 worked out for him because it ’ s rifle... Norma.300WSM brass and FF to discard a single piece lighter 270 in 130 yet at. Of Hornady ® Precision Hunter ® factory loaded ammunition well during accuracy testing the... 7/08 's have.... thoughts???????????????... Next I mounted a set of Winchester medium height rings and added a Meopta MeoPro... People try a fast 7mm with the lighter 270 in 130 of 3175 fps and 3176 ft..! Bear and elk I love my 7/08 's and wondering if the 7.. Now proudly owns the most accurate 1000-yard Light Gun in the fifth edition of the figures from companies! Other hand, the neck is very short and exactly the same claim is made for the WSM...

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