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Author Topic: 260 rem vs 270 win.  (Read 10565 times)

Offline bheadboy

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260 rem vs 270 win.
« Reply #15 on: 04:47 PM, 08/25/10 »
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  • Mattri is going in the right direction, but you need to look at the 7.08 with 140 at 2900  which is very doable in a 24" bbl.

    The zero he used i 200yds so here is the data on the 7mm .485 bc Sierra 140 sbt

    300 drop 6.6, drift 5.0 energy 1835
    400 drop 19, drift 9, energy 1625
    500 drop 38.3 drift 14.8 and energy 1432

    The 7mm is a superior item and used the short action with about 8 gr less powder to get it done.

    Bob


    Offline Iamsignal3

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    260 rem vs 270 win.
    « Reply #16 on: 10:37 PM, 10/09/10 »
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  • 270 WSM
    SA and beats the tar outta the 260 and the 270 and as you reload taylor your loads mild for 260 performance.

    Offline mattri

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    260 rem vs 270 win.
    « Reply #17 on: 08:51 PM, 10/10/10 »
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  • The actual performance gains of the .270 WSM vs the plain jane .270 are marginal at best. 

    What do you gain by going to a short action?  Nothing, absolutely nothing.  No weight savings, a short action being stiffer, more accurate than a long action?  Seriously who here could shoot better than the difference?  A couple hundred feet per second?  Maybe, the countless deer, elk, etc killed cleanly over the last decades haven't complained. 

    For an inexpensive, dead reliable, accurate, lethal combination pick up a .270 and don't bother looking back. 


    Offline Sav-1Shot

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    260 rem vs 270 win.
    « Reply #18 on: 11:49 PM, 10/10/10 »
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  • ..For a hunting round my .270 knocks down what ever I put the cross hairs on ...lol..


    Offline mauritz45

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    260 rem vs 270 win.
    « Reply #19 on: 01:40 PM, 10/13/10 »
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  • why are you running your 260 so slow??
    i have some of the black hills GAP ammo that shoots a lapua 139gr scenar @ 2850fps. its ammo spec'd by george gardner of GAP rifles.
    my point is, its really difficult to compare the two when you can so easily and SAFELY work up handloads for the 260 that really shine.
    pick one, do your workup and get real world answers. just my .02--cam

    Offline louielouie

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    260 rem vs 270 win.
    « Reply #20 on: 10:16 PM, 10/28/10 »
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  • If W.D. Bell can kill 300+ elephants with a 6.5x54 Mannlicher why wouldn't a 260 Rem with Partitions take an elk? Still need a good shot. The cartridge doesn't matter.
    If you don't want to reload get the 270. If you get the 260 and reload, you'll probably become a better shot with it.


    Offline JabaliHunter

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    260 rem vs 270 win.
    « Reply #21 on: 09:58 AM, 10/29/10 »
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  • I don't want to muddy the water, but I shoot a .270 and have used a 6.5x47L for hunting.  If I were to do it again, I think I would seriously look at the .280AI in a .30-06 length action......

    Offline wapiti25

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    260 rem vs 270 win.
    « Reply #22 on: 10:43 AM, 10/29/10 »
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  • The original post was 270 win Vs. the 260 rem. the actions in long Vs. short is about 3-4 oz. in weight.  For a hunting rifle you usually have a magazine,  some times the short magazines limit the bullet seating on heavy bullets such as the 140 6.5's.  We dont know if he is looking for a out of the box or custom build.

    Offline 15Tango

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    260 rem vs 270 win.
    « Reply #23 on: 10:58 AM, 10/29/10 »
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  • Either will do the job. Personally, I'd take the .260.

    6.5MM cartridges have a hell of a hunting record and have proven themselves - 6.5 Swede anyone?
    Better BC bullets and more selection of bullets.
    Less recoil.
    6.5MM bullets have higher sectional density than .277s and there are heavier 6.5 bullets available than the .277 (as far as I know). Sectional densities: 150 gr .277"=.279; - 140 gr .264"= 287; 160 gr .264" .328.

    I'd prefer a short action over a long. Sure the .270 is available in hardware stores the world over but who forgets their ammo on a hunting trip? All the work that goes into zeroing, loading and everything we do and you forget your ammo? I don't see it as a real valid argument for the .270. Come on now.

    Wayne

     
    Selling gun gear off to buy camera equipment.

    Offline CaptainMal

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    260 rem vs 270 win.
    « Reply #24 on: 12:14 PM, 10/29/10 »
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  • Stock Winchester Model 70 SS with BOSS in 270. BOSS set at 1.8...55 gr. IMR 4350...Hornady 140gr. SP & SST bullets ...3030fps av.

    300 & 400 yards couple months ago... Scope is Burris 3 1/2 - 10X Signature.

    It's a hunting gun with hunting optics. Does this literally "all the time". Taken deer to 600 yards with many in the 400 yard range.

    No reason to hunt with anything else and I own literally "everything" else.
    Participating in a gun buy-back program because you think that criminals have too many guns is like having yourself castrated because you think your neighbors have too many kids...

    Offline 15Tango

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    260 rem vs 270 win.
    « Reply #25 on: 12:51 PM, 10/29/10 »
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  • Yeah, I just noticed Mattri's ballistics there.

    2600 FPS for a 140 out of a 260 is way off. I know guys that have ran the 142s out of their 260 at 3100 FPS. I'd say conservative numbers on a 260 with a 140 are more like 2850 FPS, at least that's about where Hodgdon's manual puts the 260 at with a 140.

    I don't know what 140 grain only has a BC of .520 either, but there are 140s out there that are .620.

    Putting a .277's best case bullet and velocity against the poorest case for a .260 isn't exactly apples to apples and is quite skewed.
     .260 at a conservative 2850 FPS, 200 yard zero, 10 MPH:
    300 yards - 6.98", 1805 Ftlbs
    500 yards - 39.67", 1423 Ftlbs
    1000 yards - 274", 744 Ftlbs Wind? 67"

    1000 yards for that 140 grain .277"? 305" drop, 559 Ftlbs. Wind? 87"

    The energy on those two loads, a 140 at 2850 and 2900 are nearly identical at muzzle for energy, after 100 yards the 260 will have more energy the farther you go out.

    I'm not saying one is more accurate than another, that comes down to individual rifles more than anything. The 260 handily beats the .270 in regards to energy down range, drop, wind deflection, recoil, and sectional density.

    To me short action versus long isn't much of a weight issue but more rigidity and handling issue for faster follow up shots. To me though, it's really a non-issue in the grand scheme.

    The real answer to me in what cartridge wins in this debate though is the .280 - it offers the best of both of these cartridges. I have no idea why anybody gets a .270 when the .280 exists.

    Wayne
    Selling gun gear off to buy camera equipment.

    Offline mattri

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    260 rem vs 270 win.
    « Reply #26 on: 03:02 PM, 10/29/10 »
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  • Data was taken from Hornady's Ballistics Calculator.

    Offline djtjr

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    260 rem vs 270 win.
    « Reply #27 on: 05:48 PM, 10/29/10 »
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  • Mattri your example is clear but i think that 2600 fps is not really a fair representation of what a 260 140 gr can do.  mine with a 140 a max is shooting much faster at about 2750 with no signs of presure which would allow the better bc of the bullet to make it a much closer race and one that may lean in favor of the 260 but i dont have bullet flight in front of me.

    Offline boogershooter

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    260 rem vs 270 win.
    « Reply #28 on: 08:55 PM, 10/29/10 »
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  • Old bowhunter say,"A surgically placed needle can be more deadly than a wildly flung axe"  ;)
    To ride,shoot straight and speak the truth, This was the law of ancient youth- Old times past, Old days done. But the law runs true O little son!

    Offline Erik Cortina

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    260 rem vs 270 win.
    « Reply #29 on: 06:58 AM, 10/30/10 »
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  •  I have no idea why anybody gets a .270 when the .280 exists.

    Wayne

    +1!

     I will never own a 270 because if you really think about it there are always better choices!  Also, why get a 270 when you can get the same performance from a short action cartridge?
    Erik Cortina - Lapua Team USA
    At some point, the shooter becomes the limiting factor in accuracy!


     

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