So, even though it has a 2.1″ case length that’s just a little longer than the .308 Winchester case, the .300 WSM has a significantly larger case capacity (79.0g H2O) than the .308 Winchester and .30-06 Springfield. Component bullets for handloaders are available from 125-grains to 200-grains, giving the rifleman a wide range of choices for everything from varmints to critters like moose and bears. November 13th, 2005 Fifty years ago, the AR-10 rifle design of Eugene Stoner seemed to be a commercial failure, with limited sales overseas, and almost none in the USA. Size.300 Win Mag bullets are 7.8mm (.308 inches) in diameter, and the case measures 2.62 inches..30-06 bullets are also 7.8mm in diameter, but the case measures 2.49 inches long.. There has been a lot of R&D for the 300 win mag as a sniper round and I would go that way over the 300WSM, at least at this time. Some of the difference can be accounted to the weight of the rifles. The 300 Blackout vs 308 vs 7.62×39 in Short Barrels. It was created by shortening the 30-06 case. At that time, 30-caliber bullets were inserted onto the cartridges. So, assuming you are hunting at shorter ranges for game other than the big bears, the .308 will serve you fine. I am not familiar with the rifle you have purchased but if it has a plastic stock it could be a real thumper . We shot and compared three popular options to help you decide on the best elk cartridge for your style of hunting However, despite the differences in case length, the cartridges are the exact same overall length. Mag., 338 Win. Using a fat, 404 Jeffery case 2.850" long with the 30-degree shoulder pushed well forward, Remington engineers were able to beat the case capacity of the 300 Wby. A newer standard-length magnum is the 375 Ruger. Mag. When it comes to target shooting at 1,000 yards, the .308 is a marginal cartridge, and the .300 Win Mag is clearly superior to it. by 13 percent and the Win. Reactions: LastShot300. The Army is in the process of re-barreling their 308 sniper rifles to 300 win mag in order to get a little more long range punch. Mag. The 300AAC Blackout is based on the .223 Remington case so it works perfectly in the AR15. It was designed for hunting from the beginning – just a necked down .30-06 case. While it is obviously dependent on the exact weapon and ammunition chosen, the muzzle velocity is somewhere in the neighborhood of 2850 feet per second. As a slight aside, the .300 Winchester Short Magnum (.300 WSM) has an even larger diameter case than the .300 Winchester Magnum (.535″ vs .532″). First, they inquired about well-known and widely manufactured calibers. Mag. Mag. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. Mar 26, 2006 400 212. Elk Cartridge Showdown: .308 Win vs. .300 Win. S. spaniel Sergeant. THE .300 WIN mag is better with heavier weights,180 to 210g and the .300 RUM is great with 200 grain on up, although I load mine with 180s currently. 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. There have been several posts about a 308 with a flatline keeping up with a 300 win mag and traditional bullets. Mag., 7mm Rem. The .300 Magnum was designed to be a long range, bigger game (elk and larger) cartridge – good for a lot of African plains critters. The .30/06 vs. the .300 Winchester Magnum. In Praise of the .300 Winchester Magnum. Warnings. Report. Photography by Jeff Quinn. It was first introduced in the early 1960s. The .300 WSM achieves what its designers intended, duplicating the velocities of the .300 Win Mag from a short, lightweight rifle platform. and even 458 Win. These .308 length offerings, developed … We were also able to also establish their similarity. 165 gr (10.69 g) Full Metal Jacket(FMJ): 3,223 ft/s (982 m/s) () From left: .300 Ruger Compact Magnum, .300 Remington Short Action Ultra Mag and .300 Winchester Short Magnum. Mag. Talking about the height, the 300 is higher at 3.34” while the 308 comes lesser at 2.8”. Just like with the 270 WSM vs 270 Winchester, 7mm WSM vs 7mm Rem Mag, and 300 WSM vs 300 Win Mag, the .338 Win Mag is significantly longer than the 325 WSM. Mag. Win. Popular ones include 300 Win. The 300 Ultra Mag can also help you reach 2 inches higher at 100 with 2.87 inches low at 300 and 12 inches low at 400. vs. 338. DPMS AR-10 Carbines in .308 and .300 Short Action Ultra Mag . To me, the .270 is a better bet for hunting than the 6.5. .300 Winchester Magnum vs. Hornady .300 PRC Although I love it, in pure technical terms I’m forced to admit the .300 Win. Like all the other Winchester Short Magnum cartridges, the 325 WSM is specifically designed to fit in a short action rifle instead of a standard length action like the larger .338 Winchester Magnum. So, let’s take a look at the short-range trajectory and see if there is any difference (bullet drop) between our .300 Win Mag and .308 rounds (Graph 6). They are quite impressive. Both the .300 Win. This is much better than a 168-grain bullet from 30-06 carries at 100 yards only. COL is established at 2.8 inches. No magnum lengths that add cost and weight are necessary. The name might also suggest that it is a magnum cartridge, which is true, as the cartridge was derived from .375 Holland & … 6.5 Creedmoor vs .300 Winchester Magnum: Ballistics 6.5 Creedmoor projectiles are available weighing between 120 and 140 grains. A mid length barrel, say 22 inches, offers better external ballistics, terminal ballistics, less muzzle flip and a reduced blast. Final Verdict: 300 Win Mag vs. 300 Ultra Mag The .308 will easily fit in short actions, and the .300 Win Mag will slide into a 30-06 length action (long-action). The Remington offering has faded from the scene, and the jury's still out on the Ruger, but the Winchester has proven popular among big game hunters. The Whatoozy 7000 may be the perfect caliber according to you, but if no one makes a wide variety of ammo for it, it’s useless for all but one or two purposes. 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. and the .308 Win. Mag. The United States Secret Service also still utilizes the .300 Win Mag rifle in some scenarios. I think my next 300 Winchester Magnum will be at least 22 or 23 inches. The 300 has a better trajectory than the 308, even a more improved speed. The .300 Remington Short Action Ultra Magnum has very similar cartridge dimensions but is not interchangeable.. Muzzle velocity. As the name might suggest, it was developed by Winchester. The .308 is a significantly larger cartridge suitable for engagement at longer ranges. PX Member. For quite a few reasons, .300 Win Mag is an extremely popular rifle round. Generally, the savings in length are approximately 2.5” when using a 24” barrel as opposed to the optimal 26” barrel length for the .300 Win Mag… I think RL17 will benefit the 7mm as well, but probably not as much as the 300 WSM. .300 Remington Short Action Ultra Magnum (also known as 300 RSAUM, 300 RSUM or 300 Rem SAUM) is a .30 caliber short magnum cartridge that is a shortened version of the Remington 300 Ultra Mag, both of which derive from the .404 Jeffery case. We examine the history of these cartridges and compare them side-by-side in several categories that are important to hunters and sport shooters. Mag. The 50-plus-year-old .300 Win Mag remains one of the world’s best long-range rounds, capable of uncanny accuracy in the field and elsewhere I am unsure what a short barrel 300 Winchester Magnum gives you that a long barrel 308 or 30-06 won’t. by Jeff Quinn. are great chamberings for a hunting rifle. Closest to it in propellant stinginess is the .300 H&H Magnum at 43 fps, while the .300 Winchester Magnum averaged 41 fps. Reply. ... hence the names, winchester SHORT magnum and Remington SHORT action Ultra magnum In this video, we compare a 150 grain bullet to a 180 grain bullet in a .300 Winchester Short Magnum. (which you can read all about on this 7mm vs. 300 Win. At 500 yards, the bullet can be dragged at 2,543 foot-pounds of power. This powder gives me 200 fps more velocity with a 180 gr bullet out of my 300 WSM. Minuteman. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. Up to the 100-yard mark, where the shots were zeroed in, all of these rounds for both cartridges show minimal adjustments that would need to be made when taking a shot. Mag. Notably, the .300 Win Mag cartridge fires a projectile that on average can best the .308 Winchester cartridge by 50% on overall distance while maintaining lethality. Remember, you don't need the power of a 300 mag at long range to shoot holes in paper. 300 Blackout vs 308 The difference in size between .308 Winchester and 300 AAC Blackout is apparent. The most recent short magnum cartridges, as of this writing, are the .300 and .338 Ruger Compact Magnums (RCM). Both are celebrated by hunters worldwide, but which one of these classic .30-caliber cartridges will come out on top The Delta L problem article explains this problem in more detail. blog) by 20 percent. Short-Action: The 308 Winchester was the model for this action length. If we move away from apples to apples, RL17 adds a new dimension to short the short mag cartridges. The .300 WSM is a Delta L problem cartridge, meaning it can present unexpected chambering and/or feeding problems. The following ammunition cartridge ballistics information and chart can be used to approximately compare .30-06 Springfield vs .300 WSM Winchester Short Magnum ammo rounds. Our infatuation with short-action cartridges dates back over a century, what with the .250-3000 Savage and .35 Remington—just to name a couple—having celebrated their 100 th birthday some time ago. I own a Rem 700 VLS in .308 and a Savage model 11 in .300 win mag, the recoil is significantly stronger on the Savage. has many outdated design characteristics, starting with the entirely unnecessary belt and including its quite-short neck, which (in theory more than practice) provides a marginal grip on the bullet and can potentially allow concentricity inconsistencies.