308 Win 600yd group ?

Discussion in 'Big Stuff--7mm, 30 Cal, .338+' started by CChastain, Mar 1, 2020.

  1. Doug Beach

    Doug Beach Silver $$ Contributor

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    10 shots would be a lot harder, but that’s not what he asked. I think good 20 shot precision would be .75 moa, or a bit less, in truly benign conditions.
    On a good day, I can hold approximately 1 moa, at 1/2 mile, with a sling and iron sights, for 10 shots, I’m pretty sure the rifle is capable of significantly better.
    upload_2020-3-2_13-5-42.png
     
  2. Doug Beach

    Doug Beach Silver $$ Contributor

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    Here’s a 15 shot, sub 1/2 moa group at 600, with an FTR rifle. I was not the shooter. There are actually 17 shots in this group, but two were sighters.
    upload_2020-3-2_13-15-30.png
     
  3. Ned Ludd

    Ned Ludd Gold $$ Contributor

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    I've heard about the winds at Diggle. Fortunately, even the [relatively] mild wind conditions at the ranges where I currently most often shoot have cured me of any severe masochistic tendencies. ;)
     
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  4. CChastain

    CChastain Silver $$ Contributor

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    Loaded a few 175 SMK's over RE15 today . Had great accuracy and low ES around 2550 fps . Going to tune a little more and try to shoot 600 tomorrow . I loaded up to 2670 but was getting pressure signs .
     
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  5. SPJ

    SPJ Gold $$ Contributor

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    Nice shootin
    Most can’t do that with a stock/ factory Varmint rifle.
    J
     
  6. Doug Beach

    Doug Beach Silver $$ Contributor

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    I interpreted the OP’s question as the accuracy capabilities of a custom barreled .308.
     
  7. rsmithsr50

    rsmithsr50

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    the mil was up close to 2700 with 175/rl15 in bolts for a while. if you have pressure at 2670 , look around 2610/2620, and the 2550 is a good spot if the 2610 does not work.

     
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  8. CChastain

    CChastain Silver $$ Contributor

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    Thanks , I will try some loads around 2620 tomorrow . Doug Beach that's very nice groups .
     
  9. Sniper338

    Sniper338

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    I bet you got a savage 6.5 creedmoore that shoots 2 inches at 1000 too.
     
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  10. rsmithsr50

    rsmithsr50

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    I own no such thing. I do shoot 600/1000 br, but not with a 308 win and never with a savage 10. just because you can't do something, does not mean it cannot be done. I guess I should have got my target pullers name and phone number, ben avery 600 Thursday practice.
     
  11. Sniper338

    Sniper338

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    Im just kidding with you...
     
  12. Keith Glasscock

    Keith Glasscock True believer - Straight 284 Gold $$ Contributor

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    My 308 f-open rifle will shoot about 2" consistently for 5 shots at 600 yards with what I like to describe as a poorly tuned load. I've never seen better than 200-17x with it. Some day I should do load development the right way...

    I shoot it because I can shoot draggy bullets to help me learn to make real wind calls. It's a hoot, but more challenging. By changing bullets, I can make it shoot inside my Dasher, but not by much.
     
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  13. D-4297

    D-4297 Silver $$ Contributor

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    IMHO ; To answer the OP's question , I would think that 60 - 75% of ten to twenty rounds in the 10 - ring would be exceptional , as I've seen folks have trouble keeping rounds inside the 9 - ring with custom built FTR guns on any given day .... The question was kind of generic , and we are all putting out answers like the OP is a hard-core HM competitor . A little realism goes a long way , sometimes .
     
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  14. rsmithsr50

    rsmithsr50

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    some people get so wrapped up in what THEY THINK,
    they do not read the fine print
    "My question is what are realistic groups at 600yds with a 308 ? Not the once in awhile 3 shot amazing group but the average 5 shot groups shooting in good conditions .

    nowhere does he mention 10 nor 20 shot strings.

     
  15. Medic505

    Medic505 Gold $$ Contributor

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    ^^^^^^^^^^^^^
    He even puts what he's replying to after his crass statement, just like retired did.
     
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  16. DirtySteve

    DirtySteve Gold $$ Contributor

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    To answer the OP's question... I think 1/2 MOA is what the rifle would be able to achieve. GAP uses trued Remington actions and guarantee 1/2 MOA.. So if George thinks it doable. That seems like a likely realistic goal for the OP... Now back to the pointless brickering..
     
  17. Uglybird

    Uglybird

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    Stock Rem 700 5R here - with 175 ELD-M seated 20 off the lands and N540, I'm ~4" @ 600 yards on avg in wind. On low wind days I'll generally get 2 or 3 very close for every 1 "flier", opening it up a bit. 10-shot groups almost always <1MOA.
     
  18. Pawnee Bill

    Pawnee Bill Gold $$ Contributor

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    With the right rifle & ammo combo, I would expect 1/2 MOA (3") groups on a good day if you are good at reading wind. If you're at 1 MOA your are looking at a 6" group and so on and so on.
     
  19. 6MMsteve

    6MMsteve Gold $$ Contributor

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    with good barrel and skills 1.2 to 3 inches my brother took my 308 and shot 4 shots in .860 the 5th took it too 1.3..then I took it and shot a 3.3 group then a 4 inch group then I quit...he's just better than me...at 500yds my little home range
     
  20. Lefty Trigger

    Lefty Trigger Gold $$ Contributor

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    Ok I have to ask,... whats a wallet pop??
     
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