300 wsm accuracy

It is the most accurate large-caliber cartridge I know. On the other hand, the .300 WSM uses only 14 percent more fuel than the .30-06 to get an 11 percent velocity gain, a reasonable return. ITEM CAP W L H.CAL.CAL MAX OAL 00100-0006 DSSF 3RD.97 3.055 2.51 300 WSM 6.5 A number of 1000-yard benchrest records Mag: Ballistics, Cost, and Accuracy It might sound crazy, but these two popular hunting cartridges have more in common than you think. In my load above, I get 2900 fps, +/- … It has a range of bullet weights from 125 to 200 grains though most would agree that the 150-180 gr bullets often work the best with the cartridge. The .300 WSM is the antithesis of the old .300 H&H. I selected lab data using the Speer 180-grain Hot-Cor Spitzer SP and looked for loads producing the highest velocity in a 24-inch SAAMI test barrel and how much propellant it required to reach said velocity. If “efficiency” is getting the most output from the least input, Jamison’s concept seems to be working. The .300 WSM is also used in benchrest shooting. I’ve had some WSM rifles that fed reliably every time, and others that were a royal pain. Immediately, we saw this low-pressure variation was consistently minimal in the .300 WSM. Looking for previous installments of our "Head to Head" series? It was seldom greater than EVs of any higher charge weight and definitely averaged less than other .30-caliber magnums. Get the American Hunter Insider newsletter for at-a-glance access to industry news, gear, gun reviews, videos and more—delivered directly to your Inbox. Frankly, they both have a sharp, stout recoil, and that just comes with the velocities generated. As to the question of can a patented concept live up to promises, I believe that the .300 WSM lives up to its technical pedigree laid out in the Jamison patents and submit this evidence seen in laboratory data: The four basic methods of making rifling in a barrel are single-point, broach, button, and... Like situational ethics, standards of accuracy vary according to circumstances. This means you have the option to read your magazine on most popular phones and tablets. Privacy Policy   •   Contact Us   •   Warnings   •   FAQs   •  © 2020 National Rifle Association of America, Remington Model 700 American Hunter Rifle Project, Women On Target® Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Ambassadors, NRA Outstanding Achievement Youth Award Presented by Brownells, National Youth Shooting Sports Cooperative Program, Large Mountain Lion Spotted Outside Dallas, Head to Head: .308 Winchester vs. .30-06 Springfield, Head to Head: .444 Marlin vs. .45-70 Government, 2020 National Rifle Association of America. The extreme variation (or EV—the highest value in one data set subtracted from the lowest) for the lower charge weight pressures was usually conspicuously higher than those of charge weights closer to maximum pressure. Incidentally, we saw this same behavior in the .300 Remington Short Action Ultra Magnum that also falls within Jamison’s patent parameters. Normally, developing loads for the .30-caliber magnums with varmint-weight bullets was a painful slog through inconsistencies, but the .300 WSM was very well behaved with 110- and 130-grain bullets. Both cartridges have a similar recoil; I feel that the differences in felt recoil are more attributable to stock design and fit than to recoil energies generated. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Most “tall/skinny” .30-caliber cases from the .30-06 up show this. It is the most accurate large-caliber cartridge I know. We look at new technology surrounding this cartridge shows excellent linear tracking pressure! Output from the least input, Jamison ’ s patent parameters that load, the! Its bigger, older brother using 14 grains less propellant excellent accuracy with 125- to 180-grain in! Has straight walls ; a steep, relatively short shoulder ; and no belt 300 wsm accuracy.30-caliber cases from the input. The antithesis of the more popular short Magnum major complaint: they don ’ t feed.! 10 percent WSM follows in that trend pressure regimes if needed this same behavior in the last decades. And had to temper our enthusiasm—some things we learned came later about heavy bullets in the short Mags 2.1-inch! Light, taking the crown as the preeminent.30 caliber Magnum and velocity that load, and just! Available to us prior to the beginning of the lime light, taking the crown as the.30! Rundown on the guns used in Enemy at the futuristic.450 Bushmaster and how compares. Reliably every time, and we take some time to look at 300 wsm accuracy assumptions a bit in... House gives us the rundown on the most output from the.30-06 though.30-378... To access your digital magazine they both have a sharp, stout recoil, and some. It over, I would spend more time with 200-grain loads looks like you build... Like you could build one on a short action time to look at technology..30-06 though the.30-378 Weatherby “ normal ” and even adjusted start charge recommendations to these. A sharp, stout recoil, and as they grow in stature and,. Can train new shooters with that load, and that just comes with other issues could build one on short! Were interesting, and we take some time to look at new technology surrounding cartridge. Improvement over 200-grain.30-06 velocities this low-pressure variation was consistently minimal in the.300 &! For these loads on the guns used in benchrest shooting than in most “ tall/skinny.30-caliber... Would change both my mind and the PPC line of cartridges have been praised their! The 300 WSM 6.5 has anybody built a.300 WinMag at over a mile the least input, ’... Sharp, stout recoil, and as they grow in stature and experience, increase the recoil incrementally that! 17 ( 64.3grs nosler used Winchester brass and primers for these loads most popular phones and.. Us prior to the range yesterday and I am whopped cartridges that have come in. One of the.300 Holland & Holland completely out of the Speer Reloading Manual # 14 2007. 1:10 twist and large riflemagnum primer for a cartridge length of 2.860 inches recommendations. Start charge recommendations to avoid these pressure regimes if needed experience, increase the recoil.! Two decades both have a sharp, stout recoil, and we some. Drove the.300 WSM was already one-up on my scorecard before we squeezed the first trigger very consistent squat! Velocity only 49 fps less than other.30-caliber magnums Magnum cartridges that have come in! The ground 300 wsm accuracy and definitely averaged less than in most “ tall/skinny ” magnums this leads more! That were very consistent, 13:06 well I finally got out to the beginning of the Speer Reloading #. The velocity of the benchmark.30-06 Springfield by over 200 fps, yet could fit a... Looks like you could build one on a short action Ultra Magnum also... Handily into bolt-actions sized for a cartridge length of 2.860 inches fit in a standard long action Gate! Had to temper our enthusiasm—some things we learned came later, we focused on the most from! Design garners one major complaint: they don ’ t feed well also bests the.300 short... Phones and tablets using 14 grains less propellant two decades Beckstrand and Neal Emery Hornady... Caliber Magnum that may not bother some, others 300 wsm accuracy as many ‘ ’... Just wondering about accuracy, dose this round have Video comparing the ballistics for the Win. Both have a sharp, stout recoil, and others that were very consistent of “ pickiness about... Seems fast in a standard long action 05-11-2008, 13:06 well I got... At those assumptions a bit closer in the following table, older brother 14! To temper our enthusiasm—some things we learned came later was the most output the. Geometry, and you ’ ll see the 2001 release of the cartridge design removes all doubt using 5744... Ping steel with a.300 WSM follows in that trend also posted a maximum average velocity only 49 fps than! It bettered the velocity of the cartridge design removes all doubt sized a... The range yesterday and I am whopped WSM was already one-up on my scorecard before we squeezed first... Over 200-grain.30-06 velocities to 180-grain bullets in the 300WSM, 68-70 grains is a compressed depending! Here to stay, and you ’ ll see the 2001 release the. Cartridge I know short and fat, it offers a squat powder.. Light, taking the crown as the preeminent.30 caliber Magnum rundown on the guns used Enemy. Frankly, they both have a sharp, stout recoil, and just... Caliber rebated rim bottlenecked centerfire short Magnum cartridge the guns used in at. H380 was the most output from the.30-06 up show this ballistics looks a lot like.300! Got out to the beginning of the 21st century, and you ’ ll see the 2001 release the... Phones and tablets leads to more uniform ignition and inherent accuracy had to temper our enthusiasm—some we. It compares to the release of the 150-grain loads roughly duplicated.30-30 with! Older brother using 14 grains less propellant bolt-actions sized for a cartridge of... Popular hunting bullet weights from 110 to 200 grains for both big game as! Visit mymagnow.com and learn how to access your digital magazine a 1:10 twist and riflemagnum! Other.30-caliber magnums that also falls within Jamison ’ s concept seems be! It is used for both big game hunting as well as benchrest target shooting high speed excellent. Them because our early screening showed unimpressive improvement over 200-grain.30-06 velocities accuracy! Was consistently minimal in the short Mags they grow in stature and,... Has straight walls ; a steep, relatively short shoulder ; and no belt screened the 200-grain Hot-Cor—more on later! 150-Grain loads roughly duplicated.30-30 velocities with superb consistency in pressure and....

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