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.270? Is it a long distance shooter?

Discussion in 'Caliber Corner' started by THE PUNISHER, Oct 7, 2010.

  1. THE PUNISHER

    THE PUNISHER

    578
    1
    Apr 9, 2009
    NC
    I have a 270 sitting in a pawn shop with a bull barrel on it and a nice "sniper stock" on it. Is the 270 a long distance calb. or not?
     
  2. Clem Eastwood

    Clem Eastwood

    1,667
    0
    Mar 7, 2004
    DFW, TX
    anything could be if you work up a repeatable load for it. however, the .277 135gr sierra match king ballistic coefficient isnt much better than a 168gr .30 cal SMK BC.
     


  3. CanyonMan

    CanyonMan In The Saddle

    5,707
    11
    Jul 26, 2002

    Having owned one. I stick with my 7mm Rem Mag. Depends to on what you consider long distance/range, and what your shooting with it, and if you reload or not ....



    CM
     
  4. THE PUNISHER

    THE PUNISHER

    578
    1
    Apr 9, 2009
    NC
    I would like to start shooting 300 to 600 meters with it. No hunting just punching paper is all.
     
  5. NonPCnraRN

    NonPCnraRN

    256
    1
    Aug 6, 2010
    You might have it rechambered to the 270 Ackley Improved. That would maximize the cartridge's potential. You can still shoot regular ammo in it although there would be some velocity loss as the case is fireformed.
     
  6. fredj338

    fredj338

    21,709
    926
    Dec 22, 2004
    so.cal.
    The 270 was the original long distance rig, but match grade bullets have always been tough to get, it's a strictly American bore size. WHy yo unever see them in bench or 1000yd cmps. If the rifle is put together right, there are several good bullets today; Sierra & Berger leading the group. Unless it's a super good deal, I would look to a 243 or 260 for a paper punching out to 1000yds.
     
    Last edited: Oct 7, 2010
  7. Clem Eastwood

    Clem Eastwood

    1,667
    0
    Mar 7, 2004
    DFW, TX
    600m shouldnt be an issue. when you said long range i was thinking 1000y.
     
  8. CanyonMan

    CanyonMan In The Saddle

    5,707
    11
    Jul 26, 2002

    Man no problem for that distance. Some shoot deer at 400yds in this country with the 270. Like I said, I had one, and my brother still does, I just went for the 7mm rem mag for more down range energy and a better trajectory at a bit further distance than the 270. But not a thing wrong with the 270 for 'your purpose' at these ranges.






    CM
     
  9. What are your thoughts on the .243 and .260 in an AR platform?



    Bob :cowboy:
     
  10. CanyonMan

    CanyonMan In The Saddle

    5,707
    11
    Jul 26, 2002
    Bob,

    I ain't fred, but untill he answers the door here, I;ll just throw in my .2. Fred my differ, thats fine, we're friends, and he knows his stuff. But because of better bullet selection, and greater down range energy and better trajectory and being kissing cousins with the 6.5X55, I would without hesitation go with the 260 in this platform.

    A tad more recoill, but man it don't amount to a hill of beans, and your not as limited to so few bullet weights as you would be with the 243. Again, in closing here so fred can have the stage, I would personally reccomend the 260 over the 243, and especially in the kind of country you and I live in and the needs we may encounter.



    Amigo !




    CM
     
  11. fredj338

    fredj338

    21,709
    926
    Dec 22, 2004
    so.cal.
    And A fine impression of me that was Gary.:tongueout: I agree, 260. When I was looking for a longrange rig on a 700SA, I chose the 260ai over the 243. Mostly because of the heavier match bullets available. the 260 will launch 123grSMK @ pretty close to 3000fps in a 24"bbl, 139gr LApua @ 2800fps, a bit more in the AI version. Both retain quite a bit of energy out at the 1000yd mark.
    I don't know if it would run in the AR platfrom, but a 22-250 w/ 1-8 twist would certainly send those looong 75-80gr match bullets along flat enough to buck wind & be accurate. Not much oomph on the end of it though, but if you are punching paper, no issue. Go 260, be happy.:supergrin:
     
    Last edited: Oct 7, 2010
  12. I load for the 6.5x55mm and still have some Norma match ammo from several decades ago.

    [​IMG]

    I like the 6.5mm and 7mm bullet offerings and at one time thought about 6.5x284 or 7mm-08 in an AR, but the 260AI Fred mentioned makes more sense.

    I have yet to do a furniture penetration test using the Hornady 75gr BTHP at 5.56 pressures. LE use of this bullet in .223 has had stellar results, I expect the large crush cavity in the lung area from its violent expansion at .22-250 velocities would create a tremendous brain blood pressure spike.

    What are your thoughts?

    Great feedback, thanks guys. :cool:

    Bob :cowboy: