Caliber Shoot Off ! .308 / 6.5 Grendel / 6.5 Creedmore

This is a discussion on Caliber Shoot Off ! .308 / 6.5 Grendel / 6.5 Creedmore within the Cartridges & Calibers forums, part of the Sniping Related category; Well I was in the process of ordering my AA 6.5 Grendel AR-15. But after reading the October issue of Special Weapons magazine. I am ...

View Poll Results: Which caliber do you prefer?

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  • .308

    11 57.89%
  • 6.5 Grendel

    4 21.05%
  • 6.5 Creedmore

    4 21.05%
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  1. #1
    Senior Member cavalryscout's Avatar
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    Caliber Shoot Off ! .308 / 6.5 Grendel / 6.5 Creedmore

    Well I was in the process of ordering my AA 6.5 Grendel AR-15. But after reading the October issue of Special Weapons magazine. I am having second thoughts. On page 56 they review the new DPMS 6.5 Creedmore. And author Stanton Wormley says, "The DPMS Panther 6.5 Creedmore could be a viable alternative to .308 bolt action sniper rifles. The Panthers accuracy is comparable , its reliability is excellent and its greater magazine capacity, rate of fire and speed of reloading give it several advantages over a bolt action inmany tactical situations. Moreover 6.5 Creedmore ammunition is easy to shoot and reasonably priced, and its wide availability from a major manufacturer such as Hornady legitimizes it for police use. Whether this gun/cartridge combination will be able to overcome the attachment of the military and law enforcement communities to the .308 is unknown. But the Panther many virtues make it worthy of consideration by agencies and departments that recognize and appreciate the ballistic benefits of the 6.5 mm bore."

    Now in his ballistics comparison chart he gives:
    .308
    Hornady 168 A-MAX .308 muzzle of 2780fps energy 2884 at 1000 yards velocity 1234 energy 568 drop 409 and deflection 99.9 BC of .475

    6.5 Creedmore
    Hornady 120 A-MAX 6.5 muzzle 3020fps energy 2430 at 1000 yards velocity 1335 energy 475 drop 344 deflection 91.2 BC of .465

    Hornady 140 A-MAX 6.5 muzzle 2810fps energy 2454 at 1000 yards velocity 1398 energy 608 drop 361 deflection 80.3 BC of .550

    Now I can't compare the 6.5 Grendel to this article because the numbers would be from a different rifle. But in everything I have read both in print and on the web put the 6.5 Grendel and the 6.5 Creedmore in the same rough general area. I think the Creedmore has a slight advantage over the 6.5 Grendel.

    But one thing the author did mention that was a nice benefit to the 6.5 creedmore versus the .308 was less chance of unwanted over penatration in a tactical situation. Also barrel life seems to be slightly better.


    So I am curious to hear from the bullet and sniper experts, to what there feelings are about this. Do you think the 6.5G or 6.5 Creedmore is a viable replacement or alternative round to the .308? Should I continue my looking into the 6.5mm ammo alternatives or stick to the .308 based platform?
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  2. #2
    Senior Member hawk's Avatar
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    It depends on what you really want.

    If you want a standard size AR15 with more distance and thump than the 556 your only option is the grendel. I think the grendel is a great replacement for the 223.

    If you want improved performance over the 308, it seems both rounds can deliver at greater distances, but the creedmore is ballisticaly the best.

    If you want a hard hitter at longer distances than the 556 with ammunition commonaltiy, then you have to go with the 308.

    I'm no expert.
    Hawk

  3. #3
    Senior Member ekaphoto's Avatar
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    It depends on too many variables, but here is something to think about. Will you be able to find the exotic 6.5 ammo in the middle of no where +if needed. Probably not but the 308 is available everywhere. Also in 10 or 20 years will the grendal and creedmore be available? THe .308 will.
    John

    1.Humans are more important than Hardware.

    2.Quality is better than Quantity.

    3.Special Operations Forces cannot be mass produced.

    4.Competent Special Operations Forces cannot be created after emergencies occur.

  4. #4
    Senior Member cavalryscout's Avatar
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    Quote Originally Posted by ekaphoto
    Will you be able to find the exotic 6.5 ammo in the middle of no where +if needed. Probably not but the 308 is available everywhere. Also in 10 or 20 years will the grendal and creedmore be available? THe .308 will.
    Yeah, these were some of my concerns also. I am not sure if you can just walk into most gun and ammo stores and pick up ammo. As far as 10 - 20 years from now, I don't think they will dissapear. I would assume from the BC and other ballistic numbers, people will slowly move into the 6.5mm stage. Which would make them more common. And from what I heard there a dream to shoot, you could sit there and shoot all day with out the "My shoulder falling off" from the .308.

    But lets be real, in my case am I really going to ever use it, besides maybe the range? Probably not! I am really not a big hunter. And if I went back to the military or battle as a contractor, I probably won't be using them. So maybe it doesn't matter. But after writing this post, I did think about this. Especially in the AR-15 platform, How will these rounds perform in a 16" barrel? Now Bill Alexander from Alexander Arms states, that in his opinion, the 6.5 Grendel performs at its best in an 18" barrel. So I would think the 6.5G would be fine at 16". The creedmore seems to need a longer barrel. All the tests I saw where 24"-27" barrels. So if my goal is to build an entry or CQB carbine with the capabilities to take a 600 yard shot, then it seems the way to go is 6.5G or .308.

    I was really curious to see what others thought. Its kinda just like the whole HD DVD and BLUE ray disc thing a year ago. Which one is better, who is going to win? But this battle just may not be that simple. Appreciate the feedback, hope to hear more opinions!
    Scouts Lead The Way!

    Memory of "Sgt. Michael Egan KIA & Spc. William Fernandez KIA 2-28th BCT TF 1-172AR Ar Ramadi, Al Anbar Province 19 Sept 2005" We will never forget!

    I miss my TOW System!

  5. #5
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    I picked .308 only because if the reasons Mel mentioned in another thread. To easy, too common, etc, etc.

    If it were limited to just 6.5's though, I would add the 260 rem, 6.5x47 Lapua, and 6.5 WSM to your poll.

  6. #6
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    6.5 Creedmoor. Better BC than the .308 so better in the wind and more velocity so flatter to 1000. Also better performance with the heavier higher BC bullets than the Grendel due to more case capacity. Here's my post on mine. A link in there to the Hide with comparison info on the Grendel and Creedmoor. http://www.snipercentral.com/forums/vie ... sc&start=0

    Also you need to figure out what you want. Don't look to get super compact and long range accuracy out of the same package. You'll just get something that does somethings good but nothing great.

  7. #7
    Senior Member cavalryscout's Avatar
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    Rob, how is that reade range? A good place to shoot? Just looking for a nice long range in PA
    Scouts Lead The Way!

    Memory of "Sgt. Michael Egan KIA & Spc. William Fernandez KIA 2-28th BCT TF 1-172AR Ar Ramadi, Al Anbar Province 19 Sept 2005" We will never forget!

    I miss my TOW System!

  8. #8
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    Reade is a really nice range. Lots of rocks as it was an old rock quarry so you get some mirage on hot days but it's worth going. There is going to be a one day sniper match there in Jan. Here's the details http://www.snipershide.com/forum/ubbthr ... Post716295

  9. #9
    Senior Member cavalryscout's Avatar
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    I might just have to catch up with you there some time. As soon as I get my rifle, break in time, and some time behind the scope.
    Scouts Lead The Way!

    Memory of "Sgt. Michael Egan KIA & Spc. William Fernandez KIA 2-28th BCT TF 1-172AR Ar Ramadi, Al Anbar Province 19 Sept 2005" We will never forget!

    I miss my TOW System!

  10. #10
    Senior Member Quick's Avatar
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    I voted .308. Its cheap, easy to get in australia and its a battle and target proven round.
    Shaun aka "Quick"
    Two Rocks, Western Australia

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    1920 Lithgow SMLE No 1 MK III* .303 British
    S&W M&P 9mm

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