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Originally Posted by woodmaster81
I chose anything over a 270 because:

I gave my stepsons 270s as they hunt with their dad and he uses one. That way they can steal ammo from him rather than me!

Smart man.


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.308/7.62x51 nay be the most developed cartridge in existence. It is accurate and not only is ammo readily available, but excellent ammo is available at great prices. In addition, .308 is chambered in a lot of different platforms.

The .270 is a great cartridge. There is little you can’t get done with 130-150 grain bullets at 3150-2850.

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I have a pack of .30 caliber rifles and 7mm also. Nary a .277 bore anything. Why bother?


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The only valid argument I can think of is SA vs LA.

With that being said, we have nine 270's in the house and zero 308's and two 7-08's. Can not think of anything the 308 will do that I can not accomplish with a 270. But that argument swings both ways.


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If you reload, the 308 eats a larger pie out of available powders of suitable burn rate and is rarely picky about any of em (think using the same powders as a 223). If you don't reload, ammo for the 308 across the board is also going to be cheaper.
I've never seen steel cased 270's or basement priced FMJ ball for the 270.

If going the cast route, a 308 is a lot easier to get success with the least amount of effort versus most 270's as well.

And if they make an AR in 270, I'm not aware of it.

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I have had a .308, or two for a long time. They are great. I just (yes I'll admit it) traded for my first ever .270. It is a post 64 Model 70 and shoots Hornady Whitetail ammo into one hole at a hundred yards. I am going to shoot a couple deer with it this fall, just to say that I did.

That being said, I generally like the short-action calibers, for my go-to hunting rifles for deer and antelope. The .308 will eat lots of different bullets and powder and shine with them all. There is really no bad answer here.


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Things in favor of the 308:

Short Action
Inherent Accuracy
Broad Availability of Bullets (.308)
Works With A Remarkable Variety Of Powders
Miserly Powder Consumption
Works Well with Carbine Length Barrels
Staggering Amount Of Affordable Factory Ammo
World-Wide Military Use

Things in favor of the 270:

Jack O'Connor Used It

grin

Seriously, I like both and there is no "righter" answer...


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Right now I have one .270 and three .308's, and my wife has another .308.

One thing the .308 can do that the .270 can't is shoot the same weight bullets at the same muzzle velocity, at slightly lower pressures with less powder. This results in somewhat less recoil, around 20% with 150-grain bullets according to the basic recoil-energy formula.
Whether not this matters to real he-men is another question, but for lots of practice I vote for the .308.

The .270's smaller-diameter bullets so have slightly higher ballistic coefficients, so in theory will work better at longer ranges. But if you run the numbers for the same brand/type of hunting bullets, it turned out the difference in trajectory and wind-drift at 400 yards will be about an inch, which in real-world big game shooting doesn't matter. Plus, there are more higher-BC bullets available in .30 caliber.


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.308 caliber Nosler Ballistic tip bullets are green. .277 caliber Ballistic tips are yellow. I like green better than yellow. 🤣

I guess it would make more difference if I shot ballistic tips

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Suppose your elderly best friend wanted to give you a rifle,a Pre 64 Model 70 Featherweight. And let's just say that he had two to pick from,a 270 and a 308 both proven shooters in excelent condtion.

And he made you promise to never sell the rifle but leave it to you son at your death.

Which do you pick? Remember this rifle only came in one action length and one barrel length so the playing field is completely level.

For me it's not even close,the 270.

For the record,I have five 308s and six 270s.

But put them in the same rifle like the above Winchester,a Tikka,or a Remington 7600;I pick the 270 every time since I have all of these in 270.

My 308s are mostly short,light carbines,plus a AR. These make more sense in 308. So I guess it depends on how you frame the question.

Last edited by ruraldoc; 08/19/19.
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Both are great. As stated, if you want a lighter and shorter rifle go 308.

Load a .308 130 TTSX behind Varget or RL15 for ~3050 fps and you basically have a short action 270.


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Originally Posted by djb


Load a .308 130 TTSX behind Varget or RL15 for ~3050 fps and you basically have a short action 270.


How do you get the bullet to stay ‘behind’ the powder ? whistle


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Originally Posted by Mule Deer
One thing the .308 can do that the .270 can't is shoot the same weight bullets at the same muzzle velocity, at slightly lower pressures with less powder. This results in somewhat less recoil, around 20% with 150-grain bullets according to the basic recoil-energy formula.


John, how I think of recoil between different calibers is not to compare bullet weight, but to compare Sectional Density... I think that's a more fair comparison. So, in the case of the 270/150 gr I think the more fair comparison is the 308/180 gr (.279 vs .271 SD). In this case, everything else equal, recoil is essentially equal.

Regardless, what one will do, the other will do. At my core, I'm a 308 guy. Have three currently and no 270's, though I plan to rectify that.


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.270 because it just works. I've had more DRTs with it than any other caliber, let alone a .308.


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Starman: I live and Hunt, a lot, in SW Montana nowadays, and have used both calibers on game from Antelope, Deer (3 kinds), Black Bear, Mt.Goats and Elk.
The "nowadays" comment is emphasized because Grizzly Bears are expanding both in the areas they frequent and in their populations anymore.
So I would give the edge when Hunting in my neck'o the woods to the 308 and the wonderful 165 grain Nosler Partitions I use in mine.
The 270 Winchester is a wonderful cartridge and I love all of mine but would rather go with the 308 and proper bullets, when in Grizz country.
Could not tell from your header where or what you will be Hunting.
Good luck whichever you choose.
Long live the 270 Winchester!
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308 wins on bullet selection alone.


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My 2 favorite cartridges. I have 2 308s (Remington Model 7 with some lightweight upgrades and a BLR) and a 270Win (Remington 700).

If you look at this from a rifle (instead of cartridge) stand point, the 308 gives you more versatility in gun selection. It can be built to standard specs, but the shorter chamber and more efficient powder use let you make a shorter, lighter gun. The 308 is also inherently accurate, which is why a lot of long-range rifles are chambered for it, making it possible to use the 308 in a tactical gun without having to buy custom, and you can still get a 20” barrel without much performance loss.

As far as the round itself, it has a lot of good things going for it. First, it’s been adopted as a NATO cartridge meaning you can get surplus ammo cheap and in bulk, if that interests you. It’s also a very efficient powder burner. Both of my 308s have a 20” barrel, but with my reloads I get velocity nearly identical to my 30-06 (22” barrel) using same weight bullets, BUT I’m using 9 grains of powder less than in the ‘06. It also has a very large selection of bullets, especially for reloaders. I think they make .308 bullets all the way down to 110gr, and all the way up to 240. Not every bullet weight makes sense in a 308Win, but the option is still there.

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Outstanding relatively inexpensive match grade ammo.



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Originally Posted by VarmintGuy
The 270 Winchester is a wonderful cartridge and I love all of mine but would rather go with the 308 and proper bullets, when in Grizz country.


Man, no offense intended, but that’s some serious grasping at straws...


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Brad,

I have yet to find the higher sectional density of the .270 with equal-weight bullets makes any difference in killing big game--and between us, Eileen and I have taken a bunch of animals with both over the decades, in both North America and Africa. What does make a difference is bullet construction, per usual.


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