Introduced in 1944, this is the all-around cartridge for the big game hunter. Find .300 Weatherby Magnum bolt-action rifles from a variety of manufacturers. Obviously, even among vastly experienced game departments, there is plenty of disagreement about rifle cartridge killing power! All rights reserved. However, the Remington Managed Recoil .30-30 125 grain/2175 fps MV (100 yard KPS 12.9) and .357 Magnum (Rifle) 158 grain/1830 fps MV (100 yard KPS 12.7) loads are probably better guides to the minimum practical killing power for Class 2 game with more modern cartridges. The .308 Winchester performs best with bullets from 150 gr up to 168 gr. Please consider publishing a comparison of the 6.5–300 WBY with the 300 Win Mag. Short Magnum. A 100 yard KPS score somewhere in the 30s is probably a reasonable figure for most Class 3 game, although less powerful cartridges/loads have long been used successfully. In addition to being easy to work with, the 6mm PPC is incredibly accurate, but had benchresters stayed with the .222 Rem., they would still be setting new accuracy records simply because actions, barrels, bullets, powders, and shooters have continued to improve through the years. Mag. The G&S Online Rifle Cartridge Killing Power Formula and List, The G&S Online Rifle Cartridge Killing Power Formula: Implications and Applications, Determining The Effective Killing Range of Rifle Cartridges. James Tarr runs through the 3-Second Headshot drill. I have one in 300 Win Mag that I can't get to shoot consistently. If someone eventually proves me wrong and a .30-caliber magnum on a short, stubby case actually is slightly more accurate than one on a long, slim case, the difference will be so slight that only benchrest rifles will be able to prove it on paper. While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910 m) benchrest shooting. Just ask a few brown bear guides in Alaska what they think of the .338 Winchester Magnum and the .375 H&H Magnum, and their answers will likely be quite positive. It’s got class, panache, and performance in spades, and is actually the oldest veteran in this group. So what it comes down to to me is .300 Win Mag vs 300 Weatherby. That alone makes super-stubby magnums worthwhile. Round off to one decimal place for convenience. Caliber: 6.5-300 Weatherby Magnum: Capacity: 3+1: Barrel Length: 26in: Lop: 13.6in: Finish: Satin Stainless: Stock: Black w/Gray Webbing Monte Carlo Composite: Sights ISS Prop House gives us the rundown on the guns used in Enemy at the Gate. and .300 Weatherby do kick a bit more, those two feel about the same to my shoulder. The FactsThe belted case was a British idea that originated with the .400/375 Belted Nitro Express in 1905, and it was later used in the development of the .375 H&H and .300 H&H Magnums. 308 and 300 Win Mag are both great for taking big game in North America. Regardless of whether the .300 magnum you choose is old, new, short, long, fat, skinny, belted, or beltless, you are in good company. Instead, most who shoot a magnum cartridge continue to stick with the .300 Win. Jeff-I did a lot of testing and load development with .300 Weatherby. Refine by Caliber: 338 Norma Magnum 33 … A poor shot with the .300 Weatherby is far less effective than a single and perhaps rather easily well placed shot with a .308. Magnum. So will the lowly .22 LR rimfire cartridge. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Mag. The rifle will be a JP Sauer, Weatherby, or Sako. Left to Right: .300 H&H Magnum, .30 Newton, .300. When it comes to hunting larger game, a great many Class 3 animals have been taken by careful shots using cartridges/loads such as the .30-30/170 grain, 6.5x55/140 grain and 7x57/160 grain. My trusty calculator tells me that it takes a pound more powder to load 2,300 rounds of .300 H&H. Obviously, the magnum wins this one hands down. The Winchester .350 Legend is a no-nonsense whitetail thumper tailored for rifle hunters in... A half-century in the making, the new DGX Bonded is Hornady's best-ever dangerous-game bullet. Under those conditions, one shot at a bruin is all you will likely get, and it had better be a good one. That’s more recoil than … case, necked down to accept a .264-cal. All Shooting Times subscribers now have digital access to their magazine content. Both died very quickly. Personally,I'd never bother with more power than the alloy framed 308 BAR offers. Around 70 years later, and the round is still consider one of the world's blistering hot magnums. I am not alone with this opinion. Stuff the.300 with about 73 grains of IMR 4831 powder, and it should kick that bullet out at 3,150 fps. It is into this market that Weatherby unleashed the world’s fastest production 6.5 mm cartridge—the 6.5-300 Wby. (These two are approximately equal in killing power at 200 yards.). Looking at it another way, when the three cartridges are loaded to maximum velocities with 180-grain bullets, the .300 WSM burns an average of 3 grains less powder than the .300 H&H and 5 grains less than the .300 Win. Consequently, I have inserted a line of demarcation between the Class 1 (animals weighing less than 50 pounds) and Class 2 (animals weighing up to 300 pounds) cartridges based on a minimum KPS of 11.0 at 100 yards. The most powerful .30 caliber magnum until the .30-378 arrived, the .300 Weatherby has a cult-like following. It also tends to confirm some long held beliefs. Remington specifically states that their Managed Recoil .30-30 load is a 100 yard deer cartridge. SPC (115 grain at MV 2625 fps) - 17.9, .243 Winchester (100 grain at MV 2960 fps) - 18.1, .243 Winchester (95 grain at MV 3100 fps) - 18.3, .270 Winchester (Light) (115 grain at MV 2710 fps) - 19.2, 6mm Remington (100 grain at MV 3100 fps) - 20.0, .243 WSSM (100 grain at MV 3100 fps) - 20.0, .240 Weatherby Magnum (100 grain at MV 3200 fps) - 20.2, 7mm-08 Remington (Light) (120 grain at MV 2675 fps) - 21.3, .270 Winchester (Light) (120 grain at MV 2675 fps) - 21.6, .308 Winchester (Light) (125 grain at MV 2675 fps) - 22.2, .257 Roberts +P (115 grain at MV 2800 fps) - 22.3, 7mm-08 Remington (Light) (140 grain at MV 2361 fps) - 22.6, .30-06 Springfield (Light) (125 grain at MV 2700 fps) - 22.6, .38-55 Winchester (255 grain at MV 1320 fps) - 22.7, .30-30 Winchester (150 grain at MV 2390 fps) - 22.8, .260 Remington (Light) (140 grain at MV 2360 fps) - 23.0, .240 Weatherby Magnum (100 grain at MV 3406 fps) - 24.5, 6.5mm Grendel (123 grain at MV 2580 fps) - 25.3, .30-30 Winchester (170 grain at MV 2200 fps) - 25.4, .32 Winchester Special (170 at MV 2250 fps) - 25.4, .44 Remington Magnum (Rifle) (240 grain at MV 1760 fps) - 26.4, .25-06 Remington (120 grain at MV 2990 fps) - 26.5, .25 WSSM (115 grain at MV 3060 fps) - 26.7, .41 Remington Magnum (Rifle) (210 grain at MV 1830 fps) - 27.7, .35 Remington (200 grain at MV 2080 fps) - 28.7, 7x57mm Mauser (140 grain at MV 2660 fps) - 29.0, 6.5x55mm SE (140 grain at MV 2630 fps) - 29.5, .30-30 Winchester (160 grain at MV 2400 fps) - 29.5, .300 Savage (150 grain at MV 2630 fps) - 30.0, 6.5mm Remington Magnum (120 grain at MV 3210 fps) - 30.2, 6.5mm Creedmoor (140 grain at MV 2700 fps) - 30.7, .307 Winchester (170 grain at MV 2500 fps) - 30.7, 6.5x55mm SE (160 grain at MV 2500 fps) - 30.9, .32 Winchester Special (165 at MV 2410 fps) - 31.5, .260 Remington (140 grain at MV 2750 fps) - 31.6, 7mm Remington Magnum (Light) (139 grain at MV 2800 fps) - 32.8, .303 British (150 grain at MV 2685 fps) - 33.2, .257 Weatherby Magnum (120 grain at MV 3305 fps) - 33.4, 7mm-08 Remington (140 grain at MV 2860 fps) - 33.6, .308 Winchester (150 grain at MV 2820 fps) - 34.7, .270 Winchester (130 grain at MV 3150 fps) - 35.0, 6.5mm-284 Norma (140 grain at MV 2900 fps) - 35.6, 6.5mm Remington Magnum (140 grain at MV 2900 fps) - 35.6, 6.5x68 S (140 grain at MV 2900 fps) - 35.6, .300 Remington Ultra Mag (Light) (150 grain at MV 2815 fps) - 35.8, .270 Winchester (140 grain at MV 2950 fps) - 37.0, .280 Remington (140 grain at MV 3000 fps) - 37.1, .30-06 Springfield (150 grain at MV 2920 fps) - 37.3, .270 Winchester (150 grain at MV 2850 fps) - 37.4, .300 Winchester Magnum (Light) (150 grain at MV 2800 fps) - 37.4, .264 Winchester Magnum (140 grain at MV 3030 fps) - 37.8, .270 Weatherby Magnum (130 grain at MV 3280 fps) - 37.9, .308 Marlin Express (160 grain at MV 2660 fps) - 37.9, .284 Winchester (150 grain at MV 2860 fps) - 38.2, .35 Remington (200 grain at MV 2225 fps) - 38.4, 7mm Remington Magnum (139 grain at MV 3100 fps) - 39.1, .30-40 Krag (180 grain at MV 2430 fps) - 39.7, .338 Federal (200 grain at MV 2400 fps) - 39.7, 6.5mm PRC (143 grain at MV 2960 fps) - 40.1, .303 British (180 grain at MV 2460 fps) - 40.1, .270 WSM (140 grain at MV 3125 fps) - 40.1, .375 Winchester (220 grain at MV 2200 fps) - 40.9, .308 Winchester (165 grain at MV 2700 fps) - 42.8, .30 T/C (150 grain at MV 3000 fps) - 43.1, 7mm STW (140 grain at MV 3325 fps) - 44.5, .356 Winchester (200 grain at MV 2460 fps) - 44.6, 7mm Remington SAUM (150 grain at MV 3110 fps) - 44.8, 7mm Remington Magnum (150 grain at MV 3110 fps) - 44.8, 7mm WSM (150 grain at MV 3110 fps) - 44.8, .308 Winchester (180 grain at MV 2620 fps) - 46.2, 7.62x54R (180 grain at MV 2580 fps) - 46.6, .26 Nosler (140 grain at MV 3300 fps) - 46.9, .444 Marlin (240 grain at MV 2350 fps) - 46.9, .358 Winchester (200 grain at MV 2490 fps) - 47.0, .300 WSM (150 grain at MV 3200 fps) - 47.2, .300 Winchester Magnum (150 grain at MV 3200 fps) - 47.2, .30-06 Springfield (165 grain at MV 2850 fps) - 47.3, 6.5-300 Weatherby Magnum (140 grain at MV 3395 fps) - 47.6, .30-06 Springfield (180 grain at MV 2700 fps) - 49.2, .45-70 Government (300 grain at MV 1810 fps) - 50.1, .270 Weatherby Magnum (150 grain at MV 3245 fps) - 51.4, 8x57mm JS Mauser (195 grain at MV 2550 fps) - 52.0, .450 Bushmaster (250 grain at MV 2200 fps) - 52.4, 7mm Remington Magnum (175 grain at MV 2860 fps) - 53.3, .30-06 Springfield (220 grain at MV 2410 fps) - 54.6, .45-70 Government (405 grain at MV 1330 fps) - 55.0, 7mm Weatherby Magnum (154 grain at MV 3260 fps) - 55.3, 7mm Remington Ultra Mag (154 grain at MV 3260 fps) - 55.3, .300 H&H Magnum (180 grain at MV 2880 fps) - 55.5, .338 Marlin Express (200 grain at MV 2565 fps) - 55.6, .300 Remington SAUM (180 grain at MV 2960 fps) - 59.5, .300 WSM (180 grain at MV 2960 fps) - 59.5, .300 RCM (180 grain at MV 2960 fps) - 59.5, .300 Winchester Magnum (180 grain at MV 2960 fps) - 59.5, .350 Remington Magnum (200 grain at MV 2770 fps) - 60.9, .38-55 Winchester (255 grain at MV 1950 fps) - 61.5, .28 Nosler (160 grain at MV 3300 fps) - 61.7, 7mm Weatherby Magnum (175 grain at MV 3070 fps) - 62.4, 7mm Remington Ultra Mag (175 grain at MV 3070 fps) - 62.4, .444 Marlin (265 grain at MV 2325 fps) - 63.4, .338 Federal (210 grain at MV 2630 fps) - 63.9, .325 WSM (200 grain at MV 2850 fps) - 64.2, .338-06 A Square (200 grain at MV 2750 fps) - 64.9, 8mm Remington Magnum (200 grain at MV 2900 fps) - 68.5, .350 Remington Magnum (225 grain at MV 2550 fps) - 69.9, .338 Winchester Magnum (200 grain at MV 2960 fps) - 70.3, .405 Winchester (300 grain at MV 2200 fps) - 70.7, .30 Nosler (180 grain at MV 3200 fps) - 72.8, .300 Weatherby Magnum (180 grain at MV 3240 fps) - 72.8, .300 Remington Ultra Mag (180 grain at MV 3250 fps) - 73.0, .30-378 Weatherby Magnum (180 grain at MV 3300 fps) - 76.3, .350 Remington Magnum (250 grain at MV 2400 fps) - 76.7, .338-06 A Square (225 grain at MV 2700 fps) - 77.3, .338 RCM (225 grain at MV 2700 fps) - 77.3, .45-70 Government (325 grain at MV 2050 fps) - 78.5, .325 WSM (220 grain at MV 2840 fps) - 81.7, .300 Remington Ultra Mag (220 grain at MV 3000 fps) - 87.0, .30-378 Weatherby Magnum (220 grain at MV 3000 fps) - 87.0, .338 Winchester Magnum (225 grain at MV 2800 fps) - 87.4, .338-06 A Square (250 grain at MV 2500 fps) - 87.9, 9.3x74R (286 grain at MV 2360 fps) - 88.2, .450 Marlin (325 grain at MV 2225 fps) - 93.5, .338 Winchester Magnum (250 grain at MV 2650 fps) - 94.8, .375 H&H Magnum (270 grain at MV 2690 fps) - 106.2, .338 Lapua (250 grain at MV 2900 fps) - 112.4, .375 H&H Magnum (300 grain at MV 2530 fps) - 113.0, .338 Remington Ultra Mag (250 grain at MV 2960 fps) - 117.3, .340 Weatherby Magnum (250 grain at MV 2963 fps) - 117.4, .338-378 Weatherby Magnum (250 grain at MV 3060 fps) - 127.1, .450/400 NE 3" (400 grain at MV 2050 fps) - 131.3, .375 Remington Ultra Mag (300 grain at MV 2750 fps) - 142.9, .375 Weatherby Magnum (300 grain at MV 2800 fps) - 148.4, .378 Weatherby Magnum (300 grain at MV 2925 fps) - 150.5, .416 Remington Magnum (400 grain at MV 2400 fps) - 188.4, .416 Ruger (400 grain at MV 2400 fps) - 188.4, .416 Rigby (400 grain at MV 2400 fps) - 188.4, .458 Winchester Magnum (500 grain at MV 2090 fps) - 217.3, .450 NE 3-1/4" (500 grain at MV 2140 fps) - 220.4, .470 NE (500 grain at MV 2150 fps) - 220.9, .458 Lott (500 grain at MV 2300 fps) - 228.5, .416 Weatherby Magnum (400 grain at MV 2700 fps) - 232.7, .460 Weatherby Magnum (500 grain at MV 2600 fps) - 332.3. As can be seen in the maximum velocity comparison chart, the 85-year-old .300 H&H Magnum sends a 180-grain bullet on its way about as fast as the .300 WSM, and the .300 Win. It was for this reason that I purchased the Weatherby Mark V 6.5-300. I can really tell a difference when switching to the .300 Ultra Mag. Recoil: Recoil is far less in a 308 than a 300 win mag. For a fascinating, two part analysis in depth of the G&S Online rifle cartridge killing power formula and its ramifications, see the articles The G&S Online Rifle Cartridge Killing Power Formula: Implications and Applications and Determining The Effective Killing Range of Rifle Cartridges by Gary Zinn. When it comes to magnum cartridges of .30 caliber, there seems to be no middle ground among hunters. .300 Weatherby Magnum (180 grain at MV 3240 fps) - 72.8 .300 Remington Ultra Mag (180 grain at MV 3250 fps) - 73.0 .30-378 Weatherby Magnum (180 grain at MV 3300 fps) - 76.3 A KPS of 30 corresponds well with a Hornady HITS score over 901, which the experts at Hornady consider the minimum for use on large game. Using the .300 Wby. The .300 Winchester Short Magnum comes with other issues. Violate this principle by, for example, chambering a lightweight, short action rifle for a powerful Magnum cartridge like the .300 WSM and the result will be a dramatic increase in kick. In other words, only the individual handloader can decide if the difference in efficiency is enough to make him choose one cartridge over the other. There is no comparison between the two except to say that they are both .30 caliber. Magnum .300 Win. holds about 48.6 grains of water. Mag. Hunting rifles, even those capable of half-MOA accuracy would never know which cartridge they are chambered for. Subscriber Services. Like a faithful old hunting dog that has become too old for the chase, it is not actually needed anymore, but keeping it around doesn't hurt anything either. One argument in favor of the super-stubbies is their greater efficiency. Perhaps it is time we sift through the rumors and seek out a fact or two. They’re both readily available at sporting goods stores. Most orders ship within 24 hours (excludes firearms). By now you are probably thinking I absolutely despise short and fat magnum cartridges, but nothing could be further from the truth. Big bore semiauto or a lever gun? Moving to heavier game, I have taken a very large pile of elk and moose with a number of cartridges ranging in calibers from .270 to .416, and I'll just be darned if I can see that anything kills either any deader or more quickly than a .300 magnum loaded with the right bullet. Choose the lowest price from our multiple warehouses. Very sensibly, Winchester did not attempt to compete with the far more powerful and much harder-kicking.300 Weatherby Magnum. At the benchrest, I find the .300 H&H and .300 WSM a tad more comfortable to shoot, and while the .300 Win. The.308 Win. While the belt was unnecessary on most of those cartridges, it spelled high performance to many hunters, and for that reason it sold lots of rifles and ammunition through the years. The above list is only approximate, as a great variety of loads are possible for any centerfire rifle cartridge and no method of estimating killing power is infallible. Closest to it in propellant stinginess is the .300 H&H Magnum at 43 fps, while the .300 Winchester Magnum averaged 41 fps. Short Magnum .30-30 WCF ... 308 Norma Mag 338 Norma Magnum. Their KPS scores tend to confirm this. The .300 WSM has become one of my favorite cartridges--not because it is better than the others, but because it works in a short action. We then have a substantial jump between that cartridge and the .300 Remington Ultra Mag. I think they are a wonderful idea, and I believe there is plenty of room in the hunting scheme of things for each and every one of them. A look at the efficiency comparison chart on page 56 backs up that opinion with fact, but are the differences enough to really matter? (For more information, see The G&S Online Rifle Cartridge Killing Power Formula and List.). Among these are that the .22 caliber centerfire rifle cartridges are inadequate for any sort of deer hunting; ditto the .25-20, .30 Carbine and .32-20. And when it comes to delivering a deadly blow to a target standing way out yonder, case capacity wins out over case efficiency every time. Mag. Revolver vs. Semiauto Pistol: A Ballistic Oddity, Improved Ballistics a Key to Accurate Long-Range Shooting, Winchester .350 Legend Rifles and Ammo Available Right Now, Danger Tamed: Hornady DGX Bonded Hunting Ammo. This is where the similarities end. Our perception of recoil is influenced by many things, including the shape of a riflestock and how well its pad soaks it up, but if the various .30-caliber magnums are fired in identical rifles, some are more comfortable to shoot than the others under certain circumstances. It holds about 82 grains of water when accommodating a 180-grain bullet. You can always load down the 300 mag to 308 levels of performance, on deer, but you dont need to do so, given the 25% reductionof recoil by the gas op BAR. |   Mag. While I agree that the belted case outlived its useful life almost a century ago, I am just as quick to add that I have absolutely no objection to a cartridge having one. I have been using rifles chambered for belted cartridges since the 1960s, and not once have I discovered anything to complain about. in performance. Then we have the matter of recoil. In theory, this leads to more uniform ignition and inherent accuracy. ©2020 Outdoor Sportsman Group. They are fine when squeezing the trigger on a bear in an open area, where a follow-up shot can be taken if necessary before the animal makes it to heavy brush. The .300 Weatherby Magnum is a fast, hard-hitting cartridge, driving a 180-grain bullet to a muzzle velocity of 3250 fps, for over 4,000 ft.-lbs. To avoid a Ford vs Chevy debate, let’s stipulate that the rifle I have selected is available in both chamberings. For that, I believe one of the .338-caliber magnums is better than any .30, and a .35 might be a tad better still. Match. We have also been given several reasons why one of the new breed of super-short magnum .30 cartridges is the thing to have, while long, slim .30 magnums are out of style. – Gun brand doesn’t matter. Riflemen who shoot competitively at extreme distances know a lot about accuracy, and if cartridges like the .300 SAUM and .300 WSM were more accurate than the others, you can bet those guys would be using one. As you can see, when the maximum loads of five .300 magnum cartridges listed in six reloading manuals were compared, the .300 WSM produced an average of 45 fps in velocity for each grain of powder used. Long experience has shown the .44-40 200 grain/1310 fps MV load (KPS 11.0) and traditional .25-35 117 grain/2230 fps MV load (KPS 11.9) are adequate 100 yard deer cartridges, provided the hunter drives the bullet directly into the vitals. It has the accuracy of the 6.5 Creedmoor and the power of the 300 Win Mag… a nice combination! of energy at the muzzle, it is far ahead of the .30-06 Springfield and .300 H&H Magnum. Effective, efficient, and affordable, the .375 Ruger and .416 Ruger are two of the best... Give a Gift   I know of at least one record set decades ago by a competitor using a rifle in .222 Rem. I've shot all manner of factory loads and hand loads and it will not shoot less than 2MOA. In most sub-Saharan African countries where dangerous game is still hunted, the 9.3x62mm/286 grain load (100 yard KPS 88.2) or the .375 H&H Magnum/270 grain load (100 yard KPS 106.2) are the recommended minimum for hunting lion, yet the big cats are about 1/2 to 1/3 the size of the great bears. As illustrated in the recoil comparison chart, there is very little difference in recoil between the .300 H&H Magnum, .300 WSM, and .300 Win. Truth of the matter is, most hunters who choose a magnum cartridge want the highest performance available and few think twice about cartridge efficiency. Like most of his other magnum cartridges, this is based on a blown-out .300 H&H Magnum case, using the signature Weatherby double-radius shoulder. It hurts a bit to write this particular comparison, because I’m really partial to the .300 WBY. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. Left to Right: .300 H&H Magnum, .30 Newton, .300 Weatherby Magnum, .308 Norma Magnum, .300 Winchester Magnum, .300 WSM, .300 Remington SAUM, .300 Remington Ultra Mag, .30-378 Weatherby Magnum. Granted, I can only get 3-4 loading per round of brass from this load but I am hard pressed to find loadings of .300 RUM that greatly exceed this performance. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. Copyright 2017 by Chuck Hawks. The latest breed of .30-caliber magnums with no belts in both full-length and abbreviated form has prompted a lot of dancing in the streets, and a number of claims have been made about them. Though both cartridges utilize .308″ bullets, the .300 Win Mag is also better suited for using heavier bullets in the 200-220 grain range than the .30-06. The .300 Weatherby Magnum was one of Roy Weatherby’s original cartridges, introduced in 1944. LIST OF CARTRIDGES AND LOADS (bullet weight and MV - 100 yard KPS): .32-20 Winchester (100 grain at MV 1210 fps) - 2.6, .327 Federal Magnum (Rifle) (100 grain at MV 2000 fps) - 6.2, .223 Remington (64 grain at MV 3020 fps) - 7.2, .30 Carbine (110 grain at MV 1990 fps) - 7.4, .22-250 Remington (55 grain at MV 3680 fps) - 8.0, .220 Swift (55 grain at MV 3680 fps) - 8.0, .223 Remington (68 grain at MV 2960 fps) - 8.4, .223 Remington (75 grain at MV 2790 fps) - 9.2, .357 Magnum (Rifle) (180 grain at MV 1550 fps) - 9.5, .22-250 Remington (64 grain at MV 3500 fps) - 9.7, .223 WSSM (64 grain at MV 3600 fps) - 10.1, .220 Swift (64 grain at MV 3600 fps) - 10.1, .44-40 Winchester (200 grain at MV 1190 fps) - 10.1, .44-40 Winchester (200 grain at MV 1310 fps) - 11.0, .25-35 Winchester (117 grain at MV 2230 fps) - 11.9, .357 Magnum (Rifle) (158 grain at MV 1830 fps) - 12.7, .30-30 Winchester (Light) (125 grain at MV 2175 fps) - 12.9, .25-35 Winchester (110 grain at MV 2425 fps) - 14.4, .300 Blackout (125 grain at MV 2175 fps) - 14.5, .300 Blackout (135 grain at MV 2085 fps) - 14.9, .250 Savage (100 grain at MV 2820 fps) - 15.1, 7.62x39 Soviet (123 grain at MV 2365 fps) - 15.7, .257 Roberts +P (117 grain at MV 2650 fps) - 17.9, 6.8mm Rem. Hunters and shooting enthusiasts tend to get excited with the introduction of each new cartridge, and I am usually near the head of the pack. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle Thanks for the great side-by-side comparison, David. On more than one occasion I have stalked along streams meandering through thick woods and alder thickets, and their banks were littered with the fresh carcasses of salmon partially eaten by bears. When hunting brown bear in really thick country, one of the most comforting things you can have on your team is a rifle with a very large hole down the center of its barrel and a magazine full of big, fat, heavy bullets. Any of the .300 magnums is an excellent choice for all North American game. I am sorta surprised that quite a few people think the 257 may be a better choice. Under perfect conditions and with perfect bullet placement these cartridges will kill deer, of course. The 6mm PPC wins most benchrest matches today simply because it is the cartridge most benchrest shooters shoot. Description.300 Weatherby 180 grain Barnes Tipped Triple Shock (TTSX)~ Roy Weatherby already had experience with other custom cartridges such as his own .270 Weatherby Magnum when he created the .300 Weatherby.Like most of his other magnum cartridges, this is based on a blown-out .300 H&H Magnum case, using the signature Weatherby double-radius shoulder. Ammo By Manufacturer Qualified Professional Ammo. For the .300 Win. 100 yards was chosen as a reasonable distance at which to compare rifle cartridges and loads, since most big game is killed within or around that distance. While writing this I posed the following question to a well-known gunsmith who builds big-game rifles capable of shooting three bullets inside half an inch at 100 yards: "If a customer were to ask you to build the most accurate rifle possible in .300 magnum and left the cartridge choice up to you, which would you choose?" AccuBond at 2950 fps. Consider cartridges/loads scoring below KPS 11.0, at whatever you consider their maximum effective range to be, as small game and varmint cartridges. Magnum cartridges than for the same number of .300 WSM cartridges. When first introduced in 1944, this cartridge developed a reputation for “excessive” recoil and unpredictable results on game. The .300 WSM is why my Browning A-Bolt Mountain Ti weighs the same as a rifle in .308 Winchester but equals the .300 Win. The short and fat .300 magnums are no better than other magnums of the same caliber, but the author likes them because by working in a short action, they help trim ounces from lightweight rifles like the Browning A-Bolt Mountain Ti in .300 WSM (top) and the Remington Mode. Magnum-size cartridges, such as those developed during the early part of the 20th century by Charles Newton, were exceptions, but other magnums that came along after the 1920s had belts on their cases. The cartridge was developed in response to a US Army military contract in 1959. Then came a new breed of magnum cartridges without a belt, and suddenly that little band of brass just forward of the extraction groove of a case had more critics than Michael Moore at a soap-makers convention. The joys of handloading are many, and one of them is sharing the experience with a novice. that has yet to be beaten by the 6mm PPC. The .308 Winchester and the PPC line of cartridges have been praised for their geometry, and the .300 WSM follows in that trend. I actually prefer the .375 H&H. Another long held belief of mine is the .30-30/150 grain load is a more powerful 100 yard cartridge than the .243 Win./100 grain load. Whether or not the slightly better efficiency of the .300 WSM is worth more than a hill of beans depends on how many rounds are loaded each year. Mag. Here's an objective look at the vaunted .30-caliber magnums. Introduced in 1925, the .300 H&H is the oldest of the .300 magnums, but it's still one of the best. Switching to a heavy for caliber (high sectional density) bullet generally, but not always, increases the killing power score. Some consider them just the ticket for everything that walks, crawls, slithers, flies, and has a leg on each corner. I am saying all this to say that whether or not a cartridge has a belt on its case is of no importance. When it was first developed the .300 Weatherby Magnum produced nearly unheard of velocities. Therefore, I have chosen to use a minimum KPS of 12.5 for Class 2 game in many of my articles. The Alaskan Game Department considers the .30-06 shooting 220 grain bullets (100 yard KPS 54.6) a reasonable minimum for hunting Alaskan grizzly and brown bears, which are Class 4 (dangerous) animals. Recoil in a 308 is usually around 12 or 13 ft-lbs, while it’s 20+ ft-lbs in a 300 win mag. We ping steel with a .300 WinMag at over a mile. The 300 Weatherby just starts to come into its own with the 180 grain bullets which would kill the .308 in … Wins For the 308. Fourth Place: .300 Weatherby Magnum, 65.0 Points. David Fortier talks with Jeff Hoffman of Black Hills Ammunition about the evolution of the .308 Win. The .300 SAUM is why my Remington Model Seven feels like a .308 but hits like a .300 H&H. Tracks were so fresh I could have sworn they were still smoking. Additionally, it’s an extremely accurate cartridge that may even have a slight edge on the .30-06 in that regard. This video supplies more detailed information which I have gathered on the 300 Weatherby 165 gr ammo performance than in any of my prior videos. The new Benelli Lupo bolt-action rifle is just as unique, innovative, and performance-oriented... Tom Beckstrand and Neal Emery of Hornady highlight the 6MM Creedmoor ammo. Mag. Match bullet. I have thought about this topic quite abit today. I worked up a load that is pushing a 150 grain bullet at 3620 fps. The author has taken a lot of big game, including Alaska brown bear, with the Remington Model 700 in .300 Ultra Mag, and he likes both the rifle and the cartridge. G&S Online 100 Yard Rifle Cartridge Killing Power Comparison (Condensed version). 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