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long range caliber options for my next upper?

Discussion in 'Black Rifle Forum' started by M1A Shooter, Feb 14, 2010.

  1. i am starting to research higher powered long range calibers for my next upper. im currently looking into the 6.5 Grendel. which other calibers should i look into?

    anyone have a complete list of which calibers are availible in the AR15 platform?
     
  2. hardeyes

    hardeyes

    1,452
    0
    Jun 30, 2003
    CALI
    Hello;

    Maybe .260 or the Creedmore round (I think it's 6.5 creedmore). The 260 is more available, the Creedmore is just coming out.

    All can be had in the AR system.

    hardeyes
     


  3. jbremount

    jbremount

    873
    0
    Apr 17, 2005
    Texas
    The 6.8 SFC has a good following. Quite a few major manufactures(Stag, Rock River, Bushmaster,Wilson/etc) and a host of custom manufactures are on board with it also. Check out the 6.8 forums. (http://www.68forums.com/forums/index.php)
     
    Last edited: Feb 14, 2010
  4. didnt think the 6.8 was designed as a long range caliber, just as one to have more power than the 5.56? maybe im wrong
     
  5. ElevatedThreat

    ElevatedThreat NRA Member

    3,947
    0
    Oct 26, 2005
    Both.

    The trajectory of the 6.8m SPC hangs right in there with the .308 for the first several hundred yards. A .308 is flatter at 500 yards and beyond.

    If you really are skilled enough to shoot accurately beyond 450 yards of so, under field conditions of unknown range and wind, then the 6.5mm Grendel will serve you marginally better than 6.8mm SPC.

    However, I chose the 6.8mm SPC (Stag Model 7 Hunter) for my hunting of feral dogs from point-blank range out to about 300 yards or so, which is the longest distance shot I am likely to get -- or want to take -- on my deer lands. (It handily takes whitetail at those ranges too.) I really like the terminal ballistics of the round, especially with Nosler AccuBond bullets.

    I'd prefer the 6.5mm Grendel over the 6.8mm SPC only if I were shooting exclusively beyond 350 yards.

    The 6.8mm SPC shoots flat enough and hits hard enough for any shot at game that I would feel competent enough to take under field conditions. Bench shooting at paper over known, long ranges probably does favor the 6.5mm Grendel.

    The choice depends on you intended use.

    Once you step up from the AR-15 to an AR-10, traditional hunting and target rounds like .243, .260, and .308 become available....

    -ET
     
  6. MistoGators

    MistoGators 0331 - Guns Up

    117
    0
    Jan 29, 2010
    The new fad at all of the gun shows down here now is a 5.7 upper (although that's not exactly long range).
     
  7. maybe a BOHICA upper in .50BMG for true long range?
     
  8. Jer

    Jer ΜΟΛΩΝ ΛΑΒΕ

    936
    0
    Jun 20, 2006
    Colorado, USA
    Why not build a bolt rifle if long range is your goal? I built an AR10 in .308 and while I dig it it ultimately wasn't the best for the job so I ended up building a bolt anyway. That's the way to go if you want to run with the big dogs in the precision arena.

    If you don't like that answer, want to buy an AR10? :supergrin:
     
  9. TimP

    TimP 1 Proud Infidel

    2,154
    0
    Jan 17, 2003
    NC
    I have been very impressed with my 6.5 Grendel. Sub-half minute accuracy with handloads, and negligible increase in recoil.

    plinking ammo is way cheaper than 6.8spc too.

    the 6.8spc may have close to the same trajectory as the 308 and Grendel, but the grendel owns the 6.8 in the wind drift dept.

    I did a 2 part article on the 6.5 Grendel here
    http://www.tacticalgunfan.com/index.php?option=com_content&task=view&id=484&Itemid=75

    and here

    http://www.tacticalgunfan.com/index.php?option=com_content&task=view&id=488&Itemid=75
     
  10. phxfa

    phxfa

    311
    0
    Jan 3, 2009
    Who's building uppers in 6.5 Grendel??
     
    Last edited: Feb 16, 2010
  11. TimP

    TimP 1 Proud Infidel

    2,154
    0
    Jan 17, 2003
    NC
    alexander arms, and sabre defence
     
  12. can you get barrels and bolts to build one yourself?
     
  13. TimP

    TimP 1 Proud Infidel

    2,154
    0
    Jan 17, 2003
    NC
  14. ampdog

    ampdog

    98
    0
    Aug 11, 2008
    What about the .458 SOCOM?

    Not sure how it performs long range, but it is a new caliber option for the AR15 platform.
     
  15. blaster_54738

    blaster_54738

    637
    0
    Jul 24, 2007
    WI
    that is what i was thinking :supergrin: