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Long Range Hunting & Shooting
338 Lapua Zero Help
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<blockquote data-quote="Long Trang" data-source="post: 455836" data-attributes="member: 29049"><p>The fact that you 'occasionally get a group inside one inch' means your system is functioning. It is likely those times that whatever is causing your problem is not applicable when you get those tight groups. </p><p> </p><p>Typically, when a shooter has such a problem, it is attributal to shooter error. However, you indicated that the rest of your rifles cloverleaf at 100. Are you accustomed to the 338? Is the rifle comfortable to you to shoot? Is it too long? Too heavy? These are contributing factors which can cause a shooter to blow groups. Have someone you know who can shoot well test the rifle. If they can't group, then you've eliminated the 'shooter error' aspect...then move on to the next likely candidate. The scope.</p><p> </p><p>You said you swapped out scopes and their bases. Did you ensure you had ample torque on the scope systems? (Please don't get upset, remember...you need to cover <em>all </em>possibilities) are you using the scope correctly?</p><p> </p><p>Once you've verified it isn't the shooter nor the scope, then look to the ammo. Some rifles like a certain type of load rather than others. You've tried two. Have you tried standard factory loads? My guess is it is not the ammo. Nevertheless, be thorough.</p><p> </p><p>Finally, the rifle. Are your action screws torqued properly? If not, you may have undue stresses on the barrel. I've personally ran into this problem and it's amazing how bad grouping can be. Are you firing cold bore shots? </p><p> </p><p>Most rifles are well capable of grouping at 100, so your problem appears to be a major one. If you have eliminated all other possibilities, save the rifle, and you can't determine what is wrong with it, I recommend having a qualified gunsmith check it out and look for a defect.</p><p> </p><p>Good luck.</p></blockquote><p></p>
[QUOTE="Long Trang, post: 455836, member: 29049"] The fact that you 'occasionally get a group inside one inch' means your system is functioning. It is likely those times that whatever is causing your problem is not applicable when you get those tight groups. Typically, when a shooter has such a problem, it is attributal to shooter error. However, you indicated that the rest of your rifles cloverleaf at 100. Are you accustomed to the 338? Is the rifle comfortable to you to shoot? Is it too long? Too heavy? These are contributing factors which can cause a shooter to blow groups. Have someone you know who can shoot well test the rifle. If they can't group, then you've eliminated the 'shooter error' aspect...then move on to the next likely candidate. The scope. You said you swapped out scopes and their bases. Did you ensure you had ample torque on the scope systems? (Please don't get upset, remember...you need to cover [I]all [/I]possibilities) are you using the scope correctly? Once you've verified it isn't the shooter nor the scope, then look to the ammo. Some rifles like a certain type of load rather than others. You've tried two. Have you tried standard factory loads? My guess is it is not the ammo. Nevertheless, be thorough. Finally, the rifle. Are your action screws torqued properly? If not, you may have undue stresses on the barrel. I've personally ran into this problem and it's amazing how bad grouping can be. Are you firing cold bore shots? Most rifles are well capable of grouping at 100, so your problem appears to be a major one. If you have eliminated all other possibilities, save the rifle, and you can't determine what is wrong with it, I recommend having a qualified gunsmith check it out and look for a defect. Good luck. [/QUOTE]
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