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Accuracy problems SAKO TRG 42 338 Lapua

 
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  #1  
Old 06-01-2013, 12:44 PM
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Join Date: May 2013
Posts: 10
Accuracy problems SAKO TRG 42 338 Lapua

I have recently bought a Sako TRG 42 - 338 Lapua, but I cannot get it to shoot. I am REALLY disappointed.

I have double checked EVERYHTING. It is not the mount, nor he scope.

It shoots horizontal to semi horizontal strings of about 2-3 inches on 200 yards with 250gr Bergers. It seems like a bedding problem, but the Sako is 'not bedded'.

I rang Sako in Finland and they told me they never heard of that problem before.....

Did somebody experience the same? How do did you fix it?

Help needed urgently! Thanks
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  #2  
Old 06-01-2013, 01:33 PM
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Location: SOCIALIST CONTROLLED TERRITORY OF NEW YORK
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Re: Accuracy problems SAKO TRG 42 338 Lapua

Is your stock torqued to spec? Not knowing which stock you have there could be other loose bolts. The bases on that rifle are know for shooting loose. What ammo have you tried and at what range, resting your rifle on what?
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  #3  
Old 06-01-2013, 01:38 PM
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Re: Accuracy problems SAKO TRG 42 338 Lapua

Quote:
Originally Posted by DTRG42 View Post
I have recently bought a Sako TRG 42 - 338 Lapua, but I cannot get it to shoot. I am REALLY disappointed.
Those results are quite disturbing for the TRG. Have you considered trying a different bullet/powder combination for comparison? I know my TRG with either the 300gr Berger or SMK shoot relatively consistent. Sako changed the twist from 12 to 10 specifically to stability the heavier 338's. I would take the gun to a smith if the groups don't tighten up. Not what anyone would be expecting with the track record of the TRG. Sorry to hear about your results.
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  #4  
Old 07-21-2013, 02:24 PM
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Join Date: Jul 2013
Location: Las Vegas
Posts: 11
Re: Accuracy problems SAKO TRG 42 338 Lapua

Quote:
Originally Posted by DTRG42 View Post
I have recently bought a Sako TRG 42 - 338 Lapua, but I cannot get it to shoot. I am REALLY disappointed.

I have double checked EVERYHTING. It is not the mount, nor he scope.

It shoots horizontal to semi horizontal strings of about 2-3 inches on 200 yards with 250gr Bergers. It seems like a bedding problem, but the Sako is 'not bedded'.

I rang Sako in Finland and they told me they never heard of that problem before.....

Did somebody experience the same? How do did you fix it?

Help needed urgently! Thanks
Hi DTRG42
Did you manage to fix the problem, took the rifle to a Smith, or had further answers from Sako? If you bought your TRG new, you are able to send it back, or is it a used one? There is a list of Smith that Sako recommend to do work on their rifles.
I have a TRG 22 in .308, it is a tack driver and I recently ordered a TRG 42 in .338LM, should have it within 10 days. A friend of mine also has a TRG 42 .338LM and it is a tack driver as well (I am talking both rifles 1/4 to 1/2 MOA at 100, as well as ELR shots well beyond the norms). I have not heard yet of such issues but there is always a first, hopefully it is not you.
Most common torque checks are base, rings and stock, you mentioned base and rings but not stock.
A few questions, in order to try to find some answers.
You could be a great Marksman but I do not know you, so do not get upset
I'll start at the beginning.
How do you shoot with other rifles? Do you have similar issues?
Is it your first time shooting a .338LM?
What do you think of the .338LM recoil, or muzzle blast; is it bothering you, even just a bit?
Horizontal strings can also be the result of trigger pull, in both direction, and it can be induced by different factors.
Another way to have answers would be to have a well known great shooter trying your rifle; if he does have the same problem, you would know for a fact that it is the rifle, if not, then you have your answer.
I hope you find an answer to your problem, TRG's are usually great rifles. Let us know how it goes.
Good shooting.
Ombre noire
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  #5  
Old 07-21-2013, 07:16 PM
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Join Date: May 2013
Location: Elkhorn Idaho
Posts: 359
Re: Accuracy problems SAKO TRG 42 338 Lapua

I have seen this problem SEVERAL time before with the Sako. The cure is the same every time. Send it to 300 degrees below in Decatur, and chance the muzzle brake. Doing one or the other does not get the job done. It does take both. When I change the brake I do recrown the barrel and only use a side discharge style brake. Definetly do not use one that vents primarily out the top. Top vent brakes do relive muzzle rise but they add stress and flex to the barrel. This will solve your issues.
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  #6  
Old 07-22-2013, 04:28 AM
Junior Member
 
Join Date: May 2013
Posts: 10
Re: Accuracy problems SAKO TRG 42 338 Lapua

Quote:
Originally Posted by Ombre noire View Post
Hi DTRG42
Did you manage to fix the problem, took the rifle to a Smith, or had further answers from Sako? If you bought your TRG new, you are able to send it back, or is it a used one? There is a list of Smith that Sako recommend to do work on their rifles.
I have a TRG 22 in .308, it is a tack driver and I recently ordered a TRG 42 in .338LM, should have it within 10 days. A friend of mine also has a TRG 42 .338LM and it is a tack driver as well (I am talking both rifles 1/4 to 1/2 MOA at 100, as well as ELR shots well beyond the norms). I have not heard yet of such issues but there is always a first, hopefully it is not you.
Most common torque checks are base, rings and stock, you mentioned base and rings but not stock.
A few questions, in order to try to find some answers.
You could be a great Marksman but I do not know you, so do not get upset
I'll start at the beginning.
How do you shoot with other rifles? Do you have similar issues?
Is it your first time shooting a .338LM?
What do you think of the .338LM recoil, or muzzle blast; is it bothering you, even just a bit?
Horizontal strings can also be the result of trigger pull, in both direction, and it can be induced by different factors.
Another way to have answers would be to have a well known great shooter trying your rifle; if he does have the same problem, you would know for a fact that it is the rifle, if not, then you have your answer.
I hope you find an answer to your problem, TRG's are usually great rifles. Let us know how it goes.
Good shooting.
Ombre noire
I am shooting without the muzzle break - you will ruin your ears for life by just shooting once without ear protection. Recoil is mild - I expected a lot more, but keep in mind, the rifle is quite heavy.

Shooting skills - I shoot a lot and all my other high caliber rifle do half inch on 220 yards (200 meter) or better.

I finally got the Sako to shoot ok'ish. It does not like 250gr Bergers, it does not like Hornady SST..... When I finally got hold of some 250gr Lapua Scenar, the groups came down to about 1 inch on 220 yards. It is ok, but nothing to write home about. I will have to play a bit with seating depth now. I just cannot understand why the rifle will shoot strings of 2-3 inches on 200 with all the other bullets( I tried loading all sorts of seating depths.... etc) and then suddenly shoot with the Lapuas. Something tells me there is a problem with the throat/muzzle or something - Does any expert have any idea why this could be?
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  #7  
Old 07-23-2013, 01:23 PM
Junior Member
 
Join Date: Jul 2013
Location: Las Vegas
Posts: 11
Re: Accuracy problems SAKO TRG 42 338 Lapua

Quote:
Originally Posted by DTRG42 View Post
I am shooting without the muzzle break - you will ruin your ears for life by just shooting once without ear protection. Recoil is mild - I expected a lot more, but keep in mind, the rifle is quite heavy.

Shooting skills - I shoot a lot and all my other high caliber rifle do half inch on 220 yards (200 meter) or better.

I finally got the Sako to shoot ok'ish. It does not like 250gr Bergers, it does not like Hornady SST..... When I finally got hold of some 250gr Lapua Scenar, the groups came down to about 1 inch on 220 yards. It is ok, but nothing to write home about. I will have to play a bit with seating depth now. I just cannot understand why the rifle will shoot strings of 2-3 inches on 200 with all the other bullets( I tried loading all sorts of seating depths.... etc) and then suddenly shoot with the Lapuas. Something tells me there is a problem with the throat/muzzle or something - Does any expert have any idea why this could be?
Oops, messed up that one, answer is on the next post ;)

Last edited by Ombre noire; 07-23-2013 at 02:04 PM.
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