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Old October 21st, 2017, 03:06 PM #1
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My 308 Savage; Looking for suggestions for tighter groups

I have 3 modern bolt guns; a Tikka in 223, Thompson center in 243, and a Savage 10 in 308. My 223 and my 243 and can shoot nickel and dime groups at 100 yards. The 308 is all over the place; 2 to 3 inch groups. This is off of a rest on the bench and using a scope at 9 magnification (the 243 has a 16 power). The Model 10 has a Nikon that it came with.

I thought I was flinching as the light weight model 10 has a kick to it; so I got a limb saver slip-on recoil pad. The limb saver is extremely effective and now the rifle is truly a joy to shoot - but the groups are still in the 2 - 3 inch range at 100 yards.

Any recommendations? Last time I shot the 308 I was using 150 Grain FMJ-BT Fiocchi ammo.
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Old October 21st, 2017, 03:15 PM #2
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Make sure your rings and bases are tight.
Same with your action screws.

You're good here, try a box of Federal Gold Medal match ammo.
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Old October 21st, 2017, 03:32 PM #3
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Quote:
Originally Posted by Uncle Duke View Post
Make sure your rings and bases are tight.
Same with your action screws.

You're good here, try a box of Federal Gold Medal match ammo.
All of the above...

While they are normally tack drivers, I have also seen several Savage .308s come through with unfinished throats, causing accuracy to suffer. The ones I had here at the school showed difficulty in chambering match ammo and the live rounds cycled through the chamber showed scratches on the bullet where it was an interference fit into the chamber throat.
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Old October 21st, 2017, 03:34 PM #4
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Some of the things I would check out would be the tightness on the scope rings, the free float of the barrel or the bedding of the rifle to see if it is being supported in an uneven manner . A lot of times it is not the ammo but little conditions that cause inconsistencies in your shooting.
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Old October 21st, 2017, 03:36 PM #5
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Dial the magnification down, you don't need 9x for 100 yds. Try 4-5 x.
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Old October 21st, 2017, 04:18 PM #6
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Factory rings/scope? I'd be suspect of those from the get-go. While they'll do the job for most guys just going out from time to time to bag a deer here and there, they're not really all that trustworthy (IMO) if you're going for small, repeatable, groups. Check those, make sure they're still snug. IIRC, 25 In/Lbs for the base(s), 40 In/Lbs for the scope rings

Wood stock? Make sure the barrel channel isn't touching the barrel, they can get distorted (over time) if the rifle is stored on it's side in a case with the bolt inserted. Not as common as it is with the flimsy plastic factory stocks, but it can happen. IIRC, the torque-spec for the wood stocks is 35-40 In/Lbs, loose action screws are not good for consistency.
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Old October 21st, 2017, 05:04 PM #7
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I would turn the scope down, try different ammo, make sure the barrel has a chance to cool down then try to make sure I centered my eye the same way after making sure I added in a thorough cleaning to the above.
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Old October 21st, 2017, 05:13 PM #8
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The gun definitely has the potential to shoot a lot better. Try new ammo, Fiocchi isn't the best ammo, if you have a friend that reloads I would go that route. The scope and rings are something to look at replacing. I worked on an old Savage 10 in 7mag for a friend that couldn't do better than 3 to 4 inches at 100. I put a newer used Leupold 3.5 x 10, Warne rings, Timney trigger at 2.5 lbs and custom loaded some Nosler 140gn, Ballistic tips and now it will print 3/8" to 1/2" groups at 100 yards now consistently.
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Old October 21st, 2017, 05:23 PM #9
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I had the same problem with my savage 308. It had a plastic stock. Eventually I noticed that the rear action (?) bolt had caused a hairline crack in the stock bolt hole. Now I have a new stock, but I havent had a chance to take it out and see if it makes a difference.
I also had the accutrigger down as low as it can go. I'm going to increase it slightly.

Otherwise I'm just going to have to live with the fact that I flinch like a 6 yr old and that is what is screwing up the accuracy.
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Old October 21st, 2017, 05:30 PM #10
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Quote:
Originally Posted by Tungsten View Post
I had the same problem with my savage 308. It had a plastic stock. Eventually I noticed that the rear action (?) bolt had caused a hairline crack in the stock bolt hole. Now I have a new stock, but I havent had a chance to take it out and see if it makes a difference.
I also had the accutrigger down as low as it can go. I'm going to increase it slightly.

Otherwise I'm just going to have to live with the fact that I flinch like a 6 yr old and that is what is screwing up the accuracy.
Try a limb saver recoil pad; the felt recoil will be on par with 243.
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