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.338 win mag problems

 
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  #1  
Old 08-01-2010, 05:03 PM
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Join Date: Jul 2010
Location: north Texas
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.338 win mag problems

I am new here, so first off hello. A few months ago I got a newly made .338 win mag from a gunsmith friend of mine. It has a Einfield action with different Mauser parts tossed in for good measure, it is glass bedded, and free floated with a muzzle break. 21" barrel 24 with the muzzle break.
I am having a hard time getting it to shoot under 3" groups at 100 yards. Strangely it shoots better at 200 and 300 yards. I am loading the brass with H4350 Remington 9 1/2 M primers and hornady 225 grain SST. At all powder loads I get the exact same results.
Dose anyone have any suggestions as to what I should try next? The scope is an old redfield 3x9 it dosent seem to be moving around in the mounts. Not bragging just saying this because I know it will come up. I shoot sub MOA with all of my rifles except this one.
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  #2  
Old 08-01-2010, 10:42 PM
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Re: .338 win mag problems

Rifles have individual tastes. Switch bullets, switch powder, switch primers, change OAL, change powder charge, etc. etc. etc.

Loaded for a 338 win mag that was a problem, a Sako Finnbear. Finally got it to shoot OK with IMR4831, Fed215 primers and 225 gr TSX's.
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Old 08-01-2010, 11:01 PM
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Re: .338 win mag problems

Quote:
Originally Posted by woods View Post
Rifles have individual tastes. Switch bullets, switch powder, switch primers, change OAL, change powder charge, etc. etc. etc.

Loaded for a 338 win mag that was a problem, a Sako Finnbear. Finally got it to shoot OK with IMR4831, Fed215 primers and 225 gr TSX's.
+1
I like the H4831 and the new H4831 sc.

I get a little better Standard deviation using the Rem 91/2 mag primers than with others
(They are a little cooler than the 215s).

J E CUSTOM
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  #4  
Old 08-02-2010, 06:19 PM
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Join Date: Jul 2010
Location: north Texas
Posts: 14
Re: .338 win mag problems

Hey thanks I am going to the store wed to get bullets from 180 grain on up, I am also going to switch to 4831 and give it a try.

When I got home today I took the rifle out of the safe to clean it after yesterdays range time, and I hear a rattle when the rifle is shifted. Turns out the recoil has smashed the glass in the scope loose. So I am hoping that its been loose in there for a while, and just finally gave up the ghost.
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  #5  
Old 08-02-2010, 10:13 PM
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Join Date: Jun 2006
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Re: .338 win mag problems

Hey, that'll do it!

Everyone has recomendations, but mine are

Barnes 210 TSX
Nosler 225 Accubonds

RL19
RL17 (not much reloading data for it but it should be good in the 338 win mag)
IMR4350
IMR4831

Fed215 primers (if you can find them)

Zeiss 3x9x40 Conquest (around $400.00 and the best bang for the buck)

Enjoy
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  #6  
Old 08-03-2010, 08:44 PM
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Join Date: Jul 2010
Location: north Texas
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Re: .338 win mag problems

I am going to have to look that scope up.
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  #7  
Old 08-07-2010, 08:43 PM
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Re: .338 win mag problems

Sorry to hear about the scope. Keep us posted on which scope you choose and then how your rifle shoots.
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