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Old 07-23-2008, 02:13 PM
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243 vs 270

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Which round has the better accuracy? Which round has greater down range energy (100 yds+)

I assume the 243 has better accuarcy and a flatter trajectory. I also assume that the 270 has better down range performance.

I basically want to get another deer rifle. I have experience with the 243, but not a lot with the 270. Any other caliber suggestions would be helpful.

All opinions appreciated..

Last edited by cemtech12; 07-23-2008 at 02:31 PM.
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Old 07-23-2008, 02:30 PM
Join Date: May 2004
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Wrong on both counts. The 270 beats a 243 hands down unless you are going to use it stricly as a varmit rifle.
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Old 07-23-2008, 02:42 PM
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Think you're trying to compare apples and oranges. Two distinctly different cartridges.
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Old 07-23-2008, 03:11 PM
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I agree with jim rau, they are different

Last edited by Twelveknuckles; 12-31-2008 at 09:37 PM.
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Old 07-23-2008, 04:22 PM
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Both calibers can be highly accurate...or not, depending on a multitude of variables. Both are sufficient for most deer situations though the .270 will have better terminal performance, especially at long range.
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Old 07-23-2008, 04:39 PM
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Location: Darnnearvirginia, Tennessee
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If you intend to hunt medium to large game, the .270 wins hands down. It can easily handle anything from small deer and pigs to elk and moose. The .243 is regarded by some as a varmint cartridge that can double as a deer gun and by others as a deer gun that can double as a varmint gun. I believe more in the former than the latter. The .243 is limited to a couple of hundred yards on deer smaller than mature muleys in the hands of most "average" hunters and given the usual kinds of shots hunters encounter.
In my experience, the .243 is a marginal game rifle, limited to smaller species and closer ranges. The .270 is one of the premier game cartridges of the world and has been since 1925. Hope this helps.

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Old 07-23-2008, 04:48 PM
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I'm a big fan of the 243 but I'm no fool. If you want a rifle strictly for deer get a 270 especially at longer ranges. I cut my teeth on a 243 and it is a great round regardless what people say, never a problem with penetration at any angle as long as you use a 100gr. bullet. For me my 243 was a duel purpose gun. The 100gr. corelokt(more recently the speer grand-slam) on deer and 70 gr bt's and mk's for groundhogs. My dad and brother had always hunted with model 700's in 270, my 243 was a 700 also, they were all accurate, mine was more accurate but had to do some load developement for those braging rights. But when it came to killing power on deer I've never seen a cartridge put'em down quicker then the 270 with a 140gr sierra hpbt. That bullet isn't a matchking but a gameking. Its a great deer bullet. As much as I hate to say it, a 270 is close to being a perfect deer cartridge at far or near.
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Old 07-23-2008, 05:07 PM
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Start out with these two articles, then do a google search of the 243 and 270 to get some background on both of those cartridges. Here's a couple of look ups to get you started.



This will give you a basis to ask a few more questions about both these fine cartridges.
Bob from Idaho
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Old 07-23-2008, 05:17 PM
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it all depends on what you want, the 270 will shoot just as flast as the 243 out to, 200 yards but then the 243 will beat it out, however the 270 has alot more knockdown power period, ive killed deer with both calibers and i would suggest the 270
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Old 07-23-2008, 05:36 PM
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Have not shot the .270 much, but I sure like the .243

Last edited by Twelveknuckles; 12-31-2008 at 09:38 PM.
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Old 07-23-2008, 06:02 PM
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The 243 is more than adequate for a deer gun.
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Old 07-23-2008, 07:07 PM
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I'm one of those guys that thinks the .243 is a varmint riffle that can be used as a deer riffle if you can place your shot well.
And the 270 is a round that is for making hamburger out of a good deer!, I've NEVER had a DRT kill, alway have to track them thrue the woods!, my 270 sits in the back of the safe and a 35Remington is my round of choice for deer.
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Old 07-23-2008, 07:27 PM
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I have a .270 Browning A-Bolt that shoots sub-MOA with 130 gr Nosler Ballistic Tips and Sierra Game Kings. It is indeed a great deer rifle...arguably better than the 30-06; flatter shooting, less recoil, and more than enough power for Elk and smaller critters. I've had several deer drop in their tracks when hit with my 270, and none went more than 100 yards after being hit.

My only reason for getting another rifle is that I wanted a lightweight rifle in short action. I didn't want a .243 because I consider it an adequate deer round in competent hands, but my grandkids will be borrowing my gun at times. So I got a .260 REM as my second deer rifle.

After all these good recommendations for the 270, if for some reason you don't get one, take a good look at the 260 REM or the 7mm/08.
It's not rocket surgery, for crying outside!

Last edited by Jakeway; 07-23-2008 at 07:31 PM.
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Old 07-23-2008, 08:16 PM
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I have shoot a lot of pigs and wild dogs with a Parker Hale 243. On of the best guns I have shot out of. Sme of the pigs and dogs have been 200 yards or further away. Like a wise old man told me. You can kill any thing if you hit it in the right spot. At the moment I have the 243 loaded woth 90 grain belistic tips and bench mark 2 powder for pigs as we are getting a few around here at the moment.
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Old 07-23-2008, 11:28 PM
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I have killed deer with several calibers over the years but the 270 is still my favorite. I have had several DRT kills with it as did my father. It is also very versatile with a wide selection of bullet weights available. I whole heartedly believe that shot placement is more important than caliber but I would chose the 270 over the 243 any day for a "deer" rifle.
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Old 07-24-2008, 03:19 AM
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243Dave put it well. I've used the 270 since about '84 when I shot my first buck and it went down so fast, I saw the does running and thought I'd missed. Twenty four years later I've put down a lot of deer and only one wasn't DRT. And that was my fault for a rushed shot that didn't hit where I wanted. It is about the perfect deer cartridge. And contrary to what tinydeershooter says, they 243 does not shoot flatter past 200 yards. Look at any ballistic chart with apples to apples comparisons (130 vs 100 grn or so bullet in SAME make) and they are near identical:

Rem Core Lokt
Rem AccuTip
Rem Swift Scirroco

A few tenths of an inch may separate them but for practical situations in the field, they are pretty much the same...except the 270 is carrying more power downrange. If you are looking for dual duty such as deer and varmints, the 243 is the way to go. If you are looking stricktly deer or maybe dual deer/elk or other medium to large game, the 270 is the way to go.
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Old 07-25-2008, 08:19 AM
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Much thanks to all. I personally get more information from others personal experience than I do from reading articles and looking at ballisitc charts. I think the .270 will do everything I want and more, and will be my choice for the next rifle.

I have seen deer drop like a sack of rocks with the .243, at the same time my first buck took 4 shots to go down wiht the same gun and ammo selection. Moral of the story? Shot placement is more important, in my opinion, that caliber choice.

Thanks again for everyones time, happy hunting and safe shooting to all.
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Old 07-25-2008, 09:04 AM
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Among others I have two .270 Wins. Both of these rifles shot MOA or less with a variety of factory ammo and handloads. I’ve been using a .270 for about 10 years now and have killed 15 deer with one and have yet to have one run. They may stagger a step or two or slide a few yards but that has been it. No tracking at all.<O</O
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Old 07-25-2008, 11:07 AM
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If I had to pick between the two, I'd take the .270, hands down. A lot of folks like the .243 for a deer rifle, but I would personally want something with more knock down power.

Something I have always wondered about though. While the .270 is touted as nearly the pinacle of game cartridges for North American medium sized game, it seems that the .308 Winchester is somewhat under-rated as a game cartridge, but is almost universally accepted as the pinacle of small caliber sniping cartridges due to it's accuracy, stability and predictibility. When comparing bullets of same weight, the .270 does edge out the .308, but just barely, and the .308 retains the ability to use even larger, heavier bullets due to the larger caliber, and those generally seem to outperform the .270 across the board. Of course, just because it appears that way on paper doesn't mean it's going to work that way in the field. I have a cousin who is an avid deer hunter and his rifle of choice is the .270.

Ok - back to the subject - for me, given the choice, I'd take the .270.
Patrick G.

Last edited by trickg; 07-25-2008 at 11:09 AM.
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Old 07-25-2008, 02:27 PM
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I have been shooting varmits with the 270 and 90 or 100 grain hollowpoints for years. To me it fulfills the role of a dual purpose cartridge better than the 243 if your primary interest is deer. The 25-06 works great for a medium game/varmit cartridge.
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