The two “magnum” .270s are fast and effective, about as flat-shooting as any sporting cartridges in the world. The following ammunition cartridge ballistics information and chart can be used to approximately compare .270 WSM Winchester Short Magnum vs .300 Winchester Magnum ammo rounds. the 270 is long action and the 6.8 is short action. If you hand load then the story changes as 7mm has a greater bullet selection from 100-180gr bullets vs the 270's 120-150gr. 185 yards or so and below me. While lots of hunters have readily adopted the 6.5 Creedmoor for hunting a wide variety of game, many other hunters remain skeptical of the suitability of the new cartridge for big game animals, particularly when its compared to the time tested .25-06 Remington and .270 Winchester cartridges. As early as 1912 Charles Newton necked the .30-06 case down to take a .257-inch bullet. Taken all together, this leaves the .270s as primarily hunting cartridges, and good ones at that! Same bullet different case. 3 219 Zipper 2 280 Rem. It’s taken me nearly a lifetime to accept this, but as I grow older I have to concede that Jack O’Connor was right about his pet .270. I like both of them, but they have not encroached significantly on the .270 Winchester’s popularity. 92×57mm Mauser cartridge as the 8mm Mauser , also known as 8×57mm. Screw .270... if you're buying a rifle, go ahead and buy a .270WSM. Put .270 and 7mm bullets side by side, and the difference in diameter almost escapes the human eye. In 2000, they topped it with the 7mm Remington Ultra Mag, still the fastest 7mm factory cartridge. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. I don't know who told you 6.8 and .270 were about equal, maybe in terms of how flat they shoot, but not power. than the .270 Win. I think they were thinking the 6.5 Creedmore or even the 6.5 Grendel vs the 260 Remington. Nobody knows for sure why Winchester’s Roaring Twenties engineers settled on that bullet diameter. Both Winchester and Remington introduced short, unbelted 7mms (7mm WSM and 7mm RSAUM). They probably wanted something based on the .30-06 case that might shoot flatter, kick less, and be almost as versatile. The 7×57 remains one of my favorites. Again, no substituent exists for proper bullet placement. Copyright © 1996-2020 AR15.COM LLC. Best way I can describe it is...38 special vs 357 magnum. Whatever their rationale, Winchester hit it right. Have not been on the Hunting side for a while (have been staying on the fishing side), hope everyone is doing Great. The current surge of interest in the 6.5mm brings up similar arguments. i thought that the 6.8 was metric and the .270 was inch. No evidence confirms that Winchester was even aware of this obscure cartridge. Keith believed that his beloved .33s hit harder than .30-calibers. Just like the 9mm Luger vs. .45 Auto, M-14 vs. M-16 rifle, .300 Savage vs. .35 Remington, or perhaps even .30-30 Winchester vs. .32 Winchester Special. 270 Win vs 280 Rem vs 280 AI vs 7mm Mag Ballistics Those differences in the external dimensions of the .270 Winchester, .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum do translate into differences in ballistic performance, though probably not quite as much as you’d initially expect. Even though I am putting together a 6.8 AR and plan to hunt with it some, it will never replace my .270 Win. The 6.8 is a .270 short. Ammo options include loads from 100PSP and 110g TTSX to 150g Partition and Trophy Bonded Tip. There is .013-inch (thirteen thousandths) difference in diameter between the 6.5mm (.264) and the .270 (.277). "To have a right to do a thing is not at all the same as to be right in doing it.". The 7.92×57mm Mauser (designated as the 8mm Mauser or 8×57mm by the SAAMI and 8 × 57 IS by the C.I.P.) Good friend in Pennsylvania does all his groundhog hunting with a 270. bolt gun. The difference between the .270’s .277-inch bullet and the 7mm’s .284-inch bullet is just .007-inch, seven thousandths. 22 Hornet 222 Rem 22-250 Rem 223 Rem 243 Win 25-06 Rem 264 Win Mag 270 Win 300 Win Mag 30-06 Sprg 303 … These performance advantages for the .270 WSM in Class 2 game bullet weights, such as the 130 grain .277 bullet, may be enough to justify preference for the .270 WSM over the .270 … Its the newer "js" round that is creeping on 3,000 fps.. Descubre cuál es mejor y su puesto en la clasificación de objetivos para cámaras. With the flatter trajectory and stopping power that is nearly identical to the larger .308 bullets at long range, a lot of people feel more confident in taking shots at game at a distance with the .270 over the .308. He is leaning towards a merkel SR1 in 8x57mm. Their .280 was introduced in 1957 in their Model 740 semiautomatic, initially with fairly mild loads. 270 Caliber/6.8mm (.277) Filter Results. Bullet diameter is the only thing that's equal. The Grand-dad, the 7×57 Mauser (1892), quickly achieved (and retains) some following in the United States. Assuming similar bullet construction, I’m certain a .30-caliber hits harder than a 7mm, .270, or anything smaller in caliber. Remington wasn’t done. Don't pick a fight with an old man. 6.5mm, .270 and 7mm encompass what most of us at Guns and Shooting Online consider the ideal caliber range for hunting CXP game. Most are in the 200 - 500 yard range as I pass up shots too close for my interest. [Last Edit: 5/23/2009 5:32:38 AM EST by Rcd567]. I've been helping my dad locate a new "brush" gun for walking the property. Craig Boddington was the senior contributing editor of our modern gun and ammunition caliber dictionary. With the .270 Win you get considerably more choices in ammo than with the 7mm-08 or .260 Rem. Until recently this was also true of the 6.5mm, but now that the 6.5s are the long-range darlings, development of both new bullets and cartridges continues apace. As far as 325wsm, I think it would fall neatly between 8mm/06 and 8mag. There were other options; both the 6.5mm and 7mm (.264 and .284-inch) bullet diameters were popular in Europe and making inroads in the United States, but in xenophobic post-WWI America, using a “European” diameter might have been out of the question. Back when I was doing a lot of my hunting with two pet 7mm Remington Magnums I almost never used 175-grain bullets; I rated them too slow and unnecessary. These offer no discernible advantage over .277-inch bullets from 130 to 150 grains. I am convinced that, as hunting cartridges, the super-fast .270 WSM and .270 Weatherby Magnum are as versatile and effective as any 7mm cartridges. One gun - 270. Can someone please elaborate? In truth, with the right loads, the 7×57 comes pretty close to .270 Winchester performance! As a hunter, I’ve found most .270s consistently and adequately accurate, and a few have been spectacular. In this arena the 7mm has long since left the .270 in the dust. There is also a long lineage of faster 7mms, including the .280 Ross (1906), the .275 H&H Magnum (1912), and the 7×64 Brenneke (1917), but none achieved popularity in the U.S. December 30, 2011 at 7:26 am #207296. The .270 vs. .30-06 argument has been going on now for generations. I’m neither a benchrest nor a long-range competitor. I’m prepared to concede, when bullets of like weight, construction, and velocity are used, there isn’t notable difference between .270 and 6.5mm performance. I think most shooters would agree that the 6.5 Creedmoor is a fantastic cartridge for competition shooting. I’m also convinced that the .270 Winchester is as versatile and effective a hunting cartridge as any of the 6.5mm and 7mm cartridges except for the very fastest numbers. Participant. I want to move up because ill be taking longer shots on elk and i can push out to around 700 yards and want to maintain energy at that distance, that being the reason wanting to move to a 7mm rem mag. In 1989, they standardized Layne Simpson’s full-length belted wildcat, the 7mm Shooting Times Westerner. IMHO they are two excellent cartridges. Posts: 5,669. However, without trying to figure out whether the chicken or the egg came first, since almost no one considers the .270s competition-grade cartridges there has been little development in either match grade or long-range bullets. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Standard .277-inch bullets stop at 150 grains, and heavier choices are few. In my mind, these offered a visible advantage over the 130-grain bullets most common in .270s. Caliber .270, bullet diameter .277-inch, is primarily an American phenomenon based on the .270 Winchester, which was introduced in 1925. Both have been popular from their inceptions. The .270 sort of splits the difference between the .25 and .30-caliber–the .25 was questionable on game larger than deer, and the .30-caliber was effective but carried a price in recoil. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufact In 1915, Newton teamed with Savage to design the first cartridge to break 3000 feet per second, the .250 Savage. That hasn’t been the end, though. They already had one in the excellent 7mm Weatherby Magnum, one of Roy’s original cartridges, but for some reason this was largely ignored. As early as 1912 Charles Newton necked the.30-06 case down to take a.257-inch bullet t anything! 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