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Troubleshooting a .308 Win.

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Unread 08-03-2002, 11:56 PM
Platinum Member
Join Date: Jun 2001
Location: Palmer, Alaska
Posts: 2,539
Re: Troubleshooting a .308 Win.

Higher power glass will make the big difference. If I had 20x pieces on mine I know my groups at 200yds would be almost 1/2 the size without a doubt.

The 155 Palma works better than any Sierra I've tried in the 12 twist 308 rifles. The 165 Gameking SPBT and HPBT right behind it. Varget and CCI's at 2.855". The 155 likes 46.4gr while the others like 43-44gr.
Brent Moffitt
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    Unread 08-04-2002, 03:48 PM
    Silver Member
    Join Date: May 2001
    Posts: 128
    Re: Troubleshooting a .308 Win.


    Like others have said, and like you are considering, try the 168's. My 308 LOVES them, and HATES 175's. Your rifle may be the same. Mine would shoot groups over an inch at 100 yards (sometimes over an inch by a LOT), then turn around & put 168's into one hole, literally. It shot a 6" group at 300 yards with 175's, then turned around & followed it with a 1 1/4" group with 168's. At that point, I got rid of my remaing stash of 175's. (I had bought the 500 count "value pack" [img]images/icons/wink.gif[/img]). The guy with me that day got a good deal on the remaining 175's...

    On a different note, if your rifle shots *consistent* 1/2" groups, that's nothing to sneeze at either...
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    Unread 08-05-2002, 11:29 PM
    JPG JPG is offline
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    Join Date: Mar 2002
    Location: North Bend, Wa.
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    Re: Troubleshooting a .308 Win.

    I think I'm headed in the right direction now with Dave King, CatShooter, WyoWhisper, Brent, and Gary's help. I have on the way some Badger ring reducers, and some Varget. I can beg the use of a 24X Leupold BR scope, and then I'll see what becomes. I also have a Shilen trigger collecting dust, so I'll install that as well. Has anyone spent the $60.00 on a Tubb Speedlock Firing pin, spring combo? Just wondering, cause most custom smiths don't list them in the parts they use? Thank you, fellas!
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    Unread 08-20-2002, 12:40 AM
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    Join Date: Mar 2002
    Location: Central Minnesota
    Posts: 429
    Re: Troubleshooting a .308 Win.

    Sorry to ask this here but I don't know where else to post. How much do you think I could get for a Winchester Model 70 .30-06 with a Leupold Vari-X II 3-9X?
    a whisper from this little friend of mine goes a lot way.
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    Unread 08-20-2002, 01:28 AM
    Silver Member
    Join Date: Jul 2002
    Location: France
    Posts: 390
    Re: Troubleshooting a .308 Win.

    most of 308 WIN rifles even custom built by good gunsmith are chambered for the 308 WIN SAAMI which a broad chambering ( base case and neck 0.344 )with a broad throat

    most accurate ( under 1/2 inch 5 shots group ) are chambered in modified 308 WIN as 308 Obermayer or 308 PALMA or more tighter chambering ( 0.339 neck or 0.340 neck ) to improved accuracy ( without heavy neck turning and BR carrtridge ) and the headspace is set to 1.63 ( minimum headspace ) that help to reach the 1/4 inch group ) .

    Good shooting

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    Unread 08-20-2002, 07:57 AM
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    Join Date: Jun 2007
    Location: Wilmington NC
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    Re: Troubleshooting a .308 Win.

    Might want to stay with bullets in the 175 gr range if you are going to shoot to 1000. The palma guys get the 155s to shoot to 1000 by using 30 inch barrels and 1-13 twists. You have 1-12 and did not say what lenght but I can assume it to be 26 or max 28.

    Try the Varget powder and F210 primers with Lapua brass. Lapua seems to be one of the most consistent brass available today. Start the bullets in the lands and then come out .005 once you find a powder load that wants to shoot. Try the ladder method discussed under on this board for testing powders.

    1/4 MOA is a lofty goal, and that barrel may not be able to get there. Either way you are going to need a scope of much higher power for load development.
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    Unread 08-23-2002, 12:36 PM
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    Join Date: Aug 2002
    Posts: 1
    Re: Troubleshooting a .308 Win.

    using varget use CCI BR2 primers, they have been real good to me.

    I shoot a Savage 12FVSS I use regular win brass topped with 168gr Sierra or nosler. use 42.2 or 46.6 gr of varget and I can regularly shoot 1/4 at 100yds at 300 it goes up to 2.5inch
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