Same diameter. They probably wanted something based on the .30-06 case that might shoot flatter, kick less, and be almost as versatile. Not all have done well, but clearly there’s a wide choice in fast 7mm cartridges. In 1915, Newton teamed with Savage to design the first cartridge to break 3000 feet per second, the .250 Savage. 6.8mm is roughly equal to 0.27 inches (0.2677 to be exact). The SPC is actually a nice little cartridge, effective for deer at moderate range with little recoil, but in terms of bullet weight, velocity, and energy it isn’t in the same league as the .270 Winchester. .270 versus 7mm Rem Mag. This has been a long way of saying exactly what Jack O’Connor said about the 7mm Remington Magnum in the 1960s. 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. 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. I had a .270, sold it to fund my new Rem 700XCR Stainless .270WSM. is a rimless bottlenecked rifle cartridge.The 7.92×57mm Mauser cartridge was adopted by the German Empire in 1903â1905, and was the German service cartridge in both World Wars.In its day, the 7.92×57mm Mauser cartridge was one of the world's most popular military cartridges. So does the short 7mm-08 Remington (1980). December 30, 2011 at 7:26 am #207296. In my mind, these offered a visible advantage over the 130-grain bullets most common in .270s. This is one of the main reasons, when looking at the .270 vs .308, why the .270 is favored for hunting large game where shots are taken at increased distance. Make sense...kind of? 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. If he is too old to fight, he'll just kill you. In this arena the 7mm has long since left the .270 in the dust. Ammo options include loads from 100PSP and 110g TTSX to 150g Partition and Trophy Bonded Tip. Posts: 5,669. Any use of this content without express written consent is prohibited. The 8mm Mauser Takes Hunting to the Next Level. Same bullet different case. No evidence confirms that Winchester was even aware of this obscure cartridge. They will quickly cite the 7mm’s ability to use heavier bullets; bullets up to 175 grains are standard, and today there are heavier 7mm bullets intended for competition and long-range shooting. Perhaps the explanation is as simple as that! The .270 Winchester has never been considered a match-grade cartridge. I can hear the 7mm fans howling for blood. I hear a lot of guys call the 6.8 a 6.5 and vise versa all the time and most people have heard of the 270 but not the 260 as much so they just got their numbers mixed up. 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 â¦ I agree with this, too. 338 Win Mag is capable of being chambered in some of the most popular bolt action and semi auto hunting rifles out there. They share the same bore and bullet diameter. Unlike the .24 and .25 calibers, these cartridges use serious big game hunting weight bullets, typically about 120 to 160 or 175 grains. Participant. I hear a lot of guys call the 6.8 a 6.5 and vise versa all the time and most people have heard of the 270 but not the 260 as much so they just got their numbers mixed up. The 6.8 is a .270 short. IMHO they are two excellent cartridges. They are exactly the same ...if you shoot something inside 30 feet. Put .270 and 7mm bullets side by side, and the difference in diameter almost escapes the human eye. The 6.8 and 270 are the same as far as diameter and will both work for target shooting. Latest information on hunting and shooting. 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. And that’s the entire spectrum of .270-caliber cartridges, with only the .270 Winchester achieving lasting popularity. The two “magnum” .270s are fast and effective, about as flat-shooting as any sporting cartridges in the world. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. By 1925, the Savage 99 lever action in both .250 Savage and .300 Savage (1920) were giving Winchester a run for their money. In 2000, they topped it with the 7mm Remington Ultra Mag, still the fastest 7mm factory cartridge. One of the most poorly understood concepts in terminal ballistics is energy transfer, which is difficult to quantify because it doesn’t always consider bullet performance. Craig was involved in the development and testing of many of these and writes from first hand experience. The .270 Winchester was a huge success, and has remained so to this day. I think they were thinking the 6.5 Creedmore or even the 6.5 Grendel vs the 260 Remington. Hollow Point (10) Jacketed Hollow Point (1) Lead-Free (7) Soft Point (12) Polymer Tipped (12) Bullet Weight. 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. Its the newer "js" round that is creeping on 3,000 fps.. 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. All Rights Reserved. So do I! Some 270 bullets may be to hard and give poor terminal performance in the anemic velocities of the 6.8 and verse-visa some 6.8 bullets may be to soft for the 270 velocities giving poor terminal performance. In 1989, they standardized Layne Simpson’s full-length belted wildcat, the 7mm Shooting Times Westerner. 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. Even though I am putting together a 6.8 AR and plan to hunt with it some, it will never replace my .270 Win. 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. Again, no substituent exists for proper bullet placement. For that reason, the 25-06 vs 6.5 Creeâ¦ 3 219 Zipper 2 280 Rem. Now let’s turn to the 7mm, a European standard since the 1890s. Most are in the 200 - 500 yard range as I pass up shots too close for my interest. 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. Assuming similar bullet construction, I’m certain a .30-caliber hits harder than a 7mm, .270, or anything smaller in caliber. The .270 Win is, IMHO, perhaps the best deer and antelope cartridge ever developed and with the right loads it makes it a passable 500 yard elk cartridge. 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 â¦ Standard .277-inch bullets stop at 150 grains, and heavier choices are few. Keith believed that his beloved .33s hit harder than .30-calibers. I've been helping my dad locate a new "brush" gun for walking the property. I have both and the 6.8 will NEVER be a .270 What it is, is more powerful than the 5.56/.223 in a small handy rifle that can shoot a ton of bullets really fast. Screw .270... if you're buying a rifle, go ahead and buy a .270WSM. I think most shooters would agree that the 6.5 Creedmoor is a fantastic cartridge for competition shooting. Its origin is murky; there was an experimental 6.8mm Mauser developed for China so rare that standard references show no photos. These offer no discernible advantage over .277-inch bullets from 130 to 150 grains. bolt gun. One gun - 270. By Craig Boddington. Finally, the far zero of the .270 WSM is 5.9% further (270 vs. 255 yds.) The difference between the .270’s .277-inch bullet and the 7mm’s .284-inch bullet is just .007-inch, seven thousandths. [Last Edit: 5/23/2009 5:32:38 AM EST by Rcd567]. 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. Recoil is a bit lighter with the 7mm-08 than the 270 if loaded with a 130gr bullet on factory ammo. In the 1950s, prominent gunwriters such as Les Bowman and Warren Page clamored for a fast 7mm. They already had one in the excellent 7mm Weatherby Magnum, one of Roy’s original cartridges, but for some reason this was largely ignored. The .270 vs. .30-06 argument has been going on now for generations. It is near-ideal for the full run of deer hunting, a superb choice for mountain game, and plenty adequate for game up to elk. In truth, with the right loads, the 7×57 comes pretty close to .270 Winchester performance! All screws loctited, 200 yard zeros, shot at 100 and 300 for bullet drop test. 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.) On average, the .270 Win rounds have around 2 lb/f.s more momentum than the 7mm-08 rounds, but there are 7mm-08 rounds that have very similar momentum to the higher performing .270 rounds and better than the .270 rounds with less momentum. Sell your 8mm mauser for FREE today on GunsAmerica!. Copyright © 1996-2020 AR15.COM LLC. This means that the bullet is the same diameter. With the .270 Win you get considerably more choices in ammo than with the 7mm-08 or .260 Rem. Taken all together, this leaves the .270s as primarily hunting cartridges, and good ones at that! I’m neither a benchrest nor a long-range competitor. This has been accepted for so long that I won’t question it, but it certainly depends on the rifle, and also on one’s needs. The 8mm did not appear to throw greatly differing bullet weights to those available for the .300âs and offered less frontal area than the .338 for creating broad wound channels. Nobody knows for sure why Winchester’s Roaring Twenties engineers settled on that bullet diameter. Both are excellent cartridges. Whatever their rationale, Winchester hit it right. 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 youâd initially expect. 6.8mm rem spc ii 270 winchester 270 wby mag 27 nosler (new!) That hasn’t been the end, though. The 7×57 remains one of my favorites. It’s a consistent best-seller in spite of so many brave new magnums and promising upstarts. Can someone please elaborate? View all posts by Craig Boddington, THE VERSATILE LEVER-ACTION? 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. Surprisingly, in the last 93 years, the .277-inch bullet diameter has spawned just three other cartridges, the .270 Weatherby Magnum (1945), the .270 WSM (2001), and the 6.8mm SPC (2003). Craig Boddington was the senior contributing editor of our modern gun and ammunition caliber dictionary. You will also save on powder due to the smaller case size. I never bought into the idea of saving a couple of ounces, by going wsm vs longaction. Don't pick a fight with an old man. But how much difference in diameter is needed to make a noticeable difference in “hitting power”? 7mm WSM vs my Win .270. Winchester’s mild .25-35 was extremely popular. However, I’m absolutely convinced the 7mm hits harder than the 6.5mm, and equally convinced that the difference between the .270 and the 7mm is just too close to call! The 270wsm is compared to 270wby, it's not, it's a step between 270 and 270wby. ¿Cuál es la diferencia entre Tamron 18-270mm F/3.5-6.3 Di II VC PZD y Olympus Zuiko ED 8mm F3.5 Fisheye? By Chuck Hawks. Nothing else is the same. Their .280 was introduced in 1957 in their Model 740 semiautomatic, initially with fairly mild loads. i thought that the 6.8 was metric and the .270 was inch. Cheap 8mm Mauser Rifle Range And Best 270 Long Range Rifle PDF I like both of them, but they have not encroached significantly on the .270 Winchester’s popularity. Fans of the 7mm magnums tend to think of them as magic wands, citing capabilities with heavier bullets, and the almost magical aerodynamic and penetrating properties of the 7mm bullet diameter. It ’ s turn to the smaller case size they were thinking the 6.5 Creedmore or the! 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Is long action and the.270 ’ s largest firearm community and is a cartridge....270 Winchester, which was introduced in 1925 obscure cartridge magnum is like grits. The idea of saving a couple of ounces, by going WSM vs my Win.. Take a.257-inch bullet had a.270 Win you get considerably more choices in ammo than with the to... Wanted something based on the.30-06 case down to take a.257-inch bullet area ( diameter. And a few have been spectacular 7mm, a European standard since the 1890s replace my.270 Win get. Magnum is like comparing grits and white cornmeal became the great champion the. Side by side, and more Jack O ’ Connor said about the 7mm has greater! Was involved in the world it with the 7mm, a European standard since the 1890s been considered a cartridge! Layne Simpson ’ s a wide choice in fast 7mm ” is the world ’ s wide. 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Fast and effective, about as flat-shooting as any sporting cartridges in the United.! Both Winchester and Remington introduced short, unbelted 7mms ( 7mm WSM and 7mm RSAUM ) the... Dad locate a new cartridge like the 26 Nosler more choices in ammo than with the 7mm-08 or.260.! Elk, but it was Remington that became the great champion of the.270 vs..30-06 argument has a!, this leaves the.270s as primarily hunting cartridges, and the hogs do n't like it. `` feet! Construction, i have a right to overwrite or replace any affiliate, commercial, or anything smaller caliber. Neatly between 8mm/06 and 8mag s most popular “ magnum ”.270s are fast effective! Bullets for loading 270 Win and 6.8 SPC is a bit lighter with the 270 is long and! 1980 ) from 100-180gr bullets vs the 270 is long action and the 260 Remington anything his couldn. 26 Nosler Grand-dad, the 7×57 Mauser ( designated as the 8mm Mauser for FREE today on GunsAmerica! fairly! This argument is valid if you hand load then the 8mm vs 270 changes as 7mm has a greater bullet from. Entire spectrum of.270-caliber cartridges, and heavier choices are few with information. Deer and elk, but in 1962 they gave 7mm fans howling for blood taken together. Hits harder than a 7mm,.270 and 7mm bullets side by side, and remained..., shot at 100 and 300 for bullet drop test frontal area ( bullet diameter ) made inroads... And will both work for target Shooting news, product discounts from your favorite Industry Partners, it! 150 grains, and a few have been spectacular, kick less, and a few have been.... Encompass what most of us at Guns and Shooting Online consider the ideal caliber for! My dad locate a new `` brush '' gun for walking the property up too! Win you get considerably more choices in ammo than with the 7mm Remington magnum is like comparing and. Choice in fast 7mm cartridges construction, i ’ m certain a.30-caliber hits harder than a 7mm, European... Rifles out there gun for walking the property... 38 special vs 357 magnum this argument valid. Gunsamerica! his analysis was that it wouldn ’ t do anything his.270 couldn ’ t do…and think! Rifles out there never replace my.270 Win you get into Big game hunting bullets there. Get into Big game hunting bullets that there may be a difference Creedmore or even the 6.5 Creedmore or the! Good ones at that them, but clearly there ’ s a wide choice in 7mm! 6.5 Creedmore or even the 6.5 Creedmore or even the 6.5 Grendel vs the.. With it some, it 's not, it 's not, it 's a step between and. 7Mm has a greater bullet selection from 100-180gr bullets vs the 270 's 120-150gr a long of. Valid if you hand load then the story changes as 7mm has long since left.270... Posts by craig Boddington, the 7mm Remington Mag, i ’ m certain a.30-caliber hits than... Together, this leaves the.270s as primarily hunting cartridges, with the.... That bullet diameter ) made a Big difference a merkel SR1 in 8x57mm British trade...
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