Why is the .270 dying?


I’m not so sure about that. The industry does what it always has, and no- it was not generally understood what modern case and chamber designs did, nor what optimized bullets could do. In 1925 Winchester didn’t go- “you know, the 6.8 western is better at MV ES and SD, accuracy, precision; high BC (what’s that?) bullets extend range and reduce wind drift, and minimum spec chambers increase consistency from rifle to rifle- but we’re after “reliability”””.
No, they made cartridges the way that they always had. The amount of people that understood anything about what we see as modern case designs could have fit at a family dining table in the 1950/60’s.

More disinformation!
There was a very active and innovative shooting community in the 1950-1960 time frame. Have you ever
heard of the 7MM Mashburn/ 7MM Super Mashburn, designed in the 1950’s doing what the modern 7MM STW can do today except they were doing it in the mid 1950’s. Obviously you are not familiar with Warren Page, Bob Hagel, Vernon Speer. I had hunting/shooting/ firearms mentors in the 1970’s-early 80’s that made me aware of what you are saying never happened in the 1950’s . These guys were using 7MM STW type rounds in the 1950’s and actually hunted A LOT!! They also used Vernon Speer’s (Speer Bullets) ballistics lab in Idaho. In those days, shooting publications were quite popular. Wildcat cartridges were always in the forefront of the shooting articles. In those days you didn’t need to wait 10 years to draw a tag. Many hunters hunted mule deer and elk in five or six states, mentors of mine went on 21 day mixed bag hunts killing moose , stone sheep, caribou and the occasional grizzly on the same trip. Guess what? They used 7MM Super Mags , same as todays modern 7MM STW’s .
You need to read some history on cartridge designers , hunters and gun writers of the 1950’s. I suggest Bob Hagel’s “The Game Rifle”. He speaks of never shooting at big game over 600 yards among other ethics on hunting big game.
 
At that point, I would guess my daughter had shot less than 1/2 box with a centerfire rifle (all with my 6ARC). She had shot a lot of 22LR with my 10/22 in the past, but I wasn't as comfortable with her shooting ability with the 6 ARC as I would have liked. To reduce the risk of her wounding an animal, we limited her to 100 yards.

As for the Hornady Black BTHP ammo, I had never heard of people using it to hunt deer with and I really didn't want a goat rodeo because my daughter took a mediocre/poor shot with a bad hunting bullet. Their BTHP bullet might have been a good or bad choice, but I would not have a way find out in the time I had.

In contrast, I had read about lots of people on this forum using Eld-m's with great success. Everyone, including you, had convinced that the Eldm would be fine and it was more than fine.
 
Great post. After thinking about, I think the limiting factor in the early 1900's was probably the relatively new "smokeless" gun powders of the era. I am pretty sure Brits were using cordite loaded like spaghetti in their WW1 rifles.

From what I can tell, everyone got speed from using long cartridges in what are now considered "long actions" for their military rifles.

The original Winchester load did 130gr. with 3140fps or so. That was blistering fast when it came out and still pretty good even by today's standards. I can get about 2900-2950 with modern 145ELDX loads which is also pretty good. I'm not sure what powder they would have been using, but probably was beyond cordite at that time as I saw references to 4064 type powders, etc. in old reloading data.

The 270 holds about 67 grains of water which is near identical to the 6.5 PRC capacity. So the 270 cases are longer, but you can fit more in the magazine vs. the PRC which went shorter but fatter. They've got to pick their poison I suppose. I like having the extra rounds and long tapered cases feed better in my experience.
 
More disinformation!
There was a very active and innovative shooting community in the 1950-1960 time frame. Have you ever
heard of the 7MM Mashburn/ 7MM Super Mashburn, designed in the 1950’s doing what the modern 7MM STW can do today except they were doing it in the mid 1950’s. Obviously you are not familiar with Warren Page, Bob Hagel, Vernon Speer. I had hunting/shooting/ firearms mentors in the 1970’s-early 80’s that made me aware of what you are saying never happened in the 1950’s . These guys were using 7MM STW type rounds in the 1950’s and actually hunted A LOT!! They also used Vernon Speer’s (Speer Bullets) ballistics lab in Idaho. In those days, shooting publications were quite popular. Wildcat cartridges were always in the forefront of the shooting articles. In those days you didn’t need to wait 10 years to draw a tag. Many hunters hunted mule deer and elk in five or six states, mentors of mine went on 21 day mixed bag hunts killing moose , stone sheep, caribou and the occasional grizzly on the same trip. Guess what? They used 7MM Super Mags , same as todays modern 7MM STW’s .
You need to read some history on cartridge designers , hunters and gun writers of the 1950’s. I suggest Bob Hagel’s “The Game Rifle”. He speaks of never shooting at big game over 600 yards among other ethics on hunting big game.

I have their books and articles sitting beside me. I don’t know what you believe you were responding to, but it wasn’t about what I wrote.
 
At that point, I would guess my daughter had shot less than 1/2 box with a centerfire rifle (all with my 6ARC). She had shot a lot of 22LR with my 10/22 in the past, but I wasn't as comfortable with her shooting ability with the 6 ARC as I would have liked. To reduce the risk of her wounding an animal, we limited her to 100 yards.

As for the Hornady Black BTHP ammo, I had never heard of people using it to hunt deer with and I really didn't want a goat rodeo because my daughter took a mediocre/poor shot with a bad hunting bullet. Their BTHP bullet might have been a good or bad choice, but I would not have a way find out in the time I had.

In contrast, I had read about lots of people on this forum using Eld-m's with great success. Everyone, including you, had convinced that the Eldm would be fine and it was more than fine.

The Hornady 105gr HPBT kills well. It tends to penetrate deeper than most tipped match bullets, but does upset consistently.

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At that point, I would guess my daughter had shot less than 1/2 box with a centerfire rifle (all with my 6ARC). She had shot a lot of 22LR with my 10/22 in the past, but I wasn't as comfortable with her shooting ability with the 6 ARC as I would have liked. To reduce the risk of her wounding an animal, we limited her to 100 yards.

As for the Hornady Black BTHP ammo, I had never heard of people using it to hunt deer with and I really didn't want a goat rodeo because my daughter took a mediocre/poor shot with a bad hunting bullet. Their BTHP bullet might have been a good or bad choice, but I would not have a way find out in the time I had.

In contrast, I had read about lots of people on this forum using Eld-m's with great success. Everyone, including you, had convinced that the Eldm would be fine and it was more than fine.

No flies on an ELD......That said a hornady bthp kills the hell outta stuff. Not as soft at an eld. Though its hard to bitch about an animal layin on the ground
 
I love the 270 but it’s a little absurd to think that there haven’t been any meaningful advancements in cartridge design over the last 100 years. If it was being designed today it would no doubt have a faster twist barrel and a better shoulder angle. The 270 doesn’t have the head height to seat ultra long heavy bullets ideally and still fit into a factory magazine.

On the other hand, the number of people that could/would be able to take advantage of a the advantages are tiny. As in almost no one. The readily available 130-150gr .277 bullets going 3,000+fps with a bc above .500 that stabilize just fine in an 1:10 are not the reason someone misses a shot at 0-600 yards.
 
A day late and a dollar short on page 17, BUT I highly doubt this cartridge is dying, it's just not fancy and cool to talk about.
 
There are typically 4x or more 270 factory loads available vs (PRC or ARC choices) at any place I purchase ammo. At my local Cabela's, they rarely have more than two choices and often only have 1 choice of PRC or ARC load on the shelves.

I have had 6 ARC rifles for a few years now.

Last fall, I got an unexpected, late invitation to take my daughter on my hunt. All of my 6ARC reloads were target loads using MidwayUSA factory second BTHP mystery bullets.

The only load I could locate on the shelves was the Hornady Match load (which worked fine). If they happened to only have the "Black" load in stock, I would have had to pick a different rifle for her.

This year, I don't expect to take either child hunting, but I have a full box of Hornady's Precision Hunter set aside just in case.

The only new cartridge I see lots of choices on the shelves is the 6.5CM. Like the 270, 243, 308, and 30-06, I won't find every possible load on the shelves, but I always see lots of options to pick from.
Maybe I'm just luck or in the know but I have over a dozen shops that are in small towns across Montana where I can go and get ammo for all the "new" cartridges in multiple bullet flavors. Maybe Montana is just different? 🤔 🤷

Jay
 
Maybe I'm just luck or in the know but I have over a dozen shops that are in small towns across Montana where I can go and get ammo for all the "new" cartridges in multiple bullet flavors. Maybe Montana is just different? 🤔 🤷

Jay

Yes. I wouldn’t trust most places around here to keep 7 PRC or 300 PRC on the shelf. 6 Creedmoor is becoming more common. 350 Legend is everywhere, even though we are not a straight wall state. It really caught on as a woods cartridge or a youth cartridge, I have one of those myself. But if buying a hunting rifle for long range purposes in mind, I just don’t see something as being a good choice unless there are multiple manufacturers loading ammo for it. It’s a warm fuzzy feeling when you search on Midway for 270 Win and see over 100 results and several are under $30 a box. It is great to see how popular that the 6.5 PRC has become, because that certainly may nudge me into one at some point.
 
Its less popular with new rifle buyers but far from dead or even dying. It will be around well past most of our lifetimes. Rifles last the average hunter a lifetime. I think the OP started the wrong premise. I would gave asked why is the 270 less popular. There're many choices these days. When I got into it most hunters knew about only a small handfull of calibers.
 
I don’t need to look it up… I own both calibers.

Barnes 270 110 TTSX is 3000 @ .347BC. Even if you matched my speed you can’t get there BC wise.

My 257 115vld is 3480 @ .483 BC… and it has more gas in it

But to answer the OP question 260/ 6.5 CM killed the 270 because that Adoptation caused plethora of 1-8 twist bullets for all 6.5’s which opened the door to the PRC, RPM, Nos, etc
comparing a ttsx to a berger vld isnt exactly apples to apples, and a 270 can match your speed with a 110.
 
The amount of people that understood anything about what we see as modern case designs could have fit at a family dining table in the 1950/60’s.
Here is your quoted comment for you to read again. You need to read my original entire post again and then reread again since your comprehension is lacking. You always seem to disregard others when it doesn’t suit what you think is your expert opinion. Seems to be your style to conveniently not remember what you wrote or what you stated when you are challenged.There was way more going on in the 1950’s and 1960’s in cartridge development than today. Dude you are not the expert you claim to be or want to be. Why anyone values your opinions amazes me!
 
Here is your quoted comment for you to read again. You need to read my original entire post again and then reread again since your comprehension is lacking.


No doubt it is.


You always seem to disregard others when it doesn’t suit what you think is your expert opinion.

Really? Please post an actual conversation or argument that I disregarded where factual, demonstrable information was given.


Seems to be your style to conveniently not remember what you wrote or what you stated when you are challenged.There was way more going on in the 1950’s and 1960’s in cartridge development than today.

This is what I wrote-
The amount of people that understood anything about what we see as modern case designs could have fit at a family dining table in the 1950/60’s.


There is nothing “modern” about a Weatherby or 7mm REM Mag, or a 300wm blown out and necked down to 7mm.

Go ahead and name the people before the 1950’s that knew what is now known about modern case designs and chamber/throat dimensions.


Dude you are not the expert you claim to be or want to be. Why anyone values your opinions amazes me!

Hmmm. Please post a single time that I have said I was an expert on anything. For fun, please educate me on what factual statement I have made that you believe are incorrect.
 
Perfect example above . Now you conveniently changed your quote dates to “Before the 1950’s” , where your original was 1950-1960’s.
You are not a self proclaimed internet expert??? Really? You comment on about every third gun/scope/shooting related post. By the way are you ever going to show us pics of the game you hunted and killed outside of the one small branch antlered elk?
Carry on as the self proclaimed internet shooting expert.
 
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