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Edge accuracy problems.

 
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  #8  
Old 05-07-2009, 08:15 PM
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Join Date: Jan 2008
Location: North east Pa.
Posts: 100
Re: Edge accuracy problems.

They were new cases. Started out as 300 RUM. I'm using 338 RUM dies threaded out of the press to the length of the 300 RUM. So I'm basically just neck sizing the brass. Would this effect accuracy? The loaded cases chamber with no problems. And trust me, its not me. I have a Savage F/TR 308 that I shoot one hole groups with and a Remington 700 in 30 Hart that I routinely kill ground hogs with at 800+ yards.
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  #9  
Old 05-07-2009, 08:44 PM
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Join Date: Jan 2008
Posts: 414
Re: Edge accuracy problems.

If you are shooting new brass you can easily have .008-.011 runout and it can cause accuracy problems. I would not expect 4 moa groups though. I have had a lot of problem with rings not fitting the bases properly. On a boomer like the Edge I would only set it up with rings and bases from the same company and it wouldnt hurt if they came in a box that had Seekins, Badger, NF, Uso etc. written on it. I have had a lot of problems with some of the mounting equipment you mentioned. Just curious did the smithy shoot the rifle prior to sending it out? If so how did it perform for him? Load some of the fired cases and see if that helps.
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  #10  
Old 05-07-2009, 09:00 PM
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Re: Edge accuracy problems.

I just re-read your post, if you dont have the equipment to check run-out you should get someone to check your ammo. Shawn Carlock can fix you up with the right dies and methods. It is just a matter of expanding the necks with his tapered expander ball then running the case through the bushing resize die with a bushing that gives proper neck tension without re-expanding. Shawn sent me the Redding bushing die with a bushing that works great with Remington brass. Even with this set-up the new cases may have .006 run-out. If Im serious about accuracy I only use fired cases out of my chamber and run it through the size die without the expander. This method yields cases with less than .001 run-out. This may sound complicated but it really isnt. If you need some help with it shoot me a PM.
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  #11  
Old 05-08-2009, 01:34 AM
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Join Date: May 2007
Location: VICTORIA AUSTRALIA
Posts: 912
Re: Edge accuracy problems.

+1 for the 92 grn load. In most guns it shoots lights out !

I think something has got to be wrong mechanically too ! I think the velocity figure for your length of barrel looks slow too ? I shoot a 30 and its going harder than that with 2 grns less powder ? Something sure is wrong !

I'll watch with interest

Cheers

DUH
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  #12  
Old 05-08-2009, 05:52 AM
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Join Date: Jan 2008
Location: North east Pa.
Posts: 100
Re: Edge accuracy problems.

I thought the velocity was low, also. What would cause that? I dont believe its the rings or mounting system. Both of those scopes and rings came off other guns that shoot great. I need somewhere to start. Everyone thinks its something mechanical but no one has given any suggestions other than the scope/mount and I switched that with no change. I'll try the different load with fired brass this weekend and see what happens.
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  #13  
Old 05-08-2009, 06:28 AM
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Join Date: Feb 2008
Location: IOWA
Posts: 1,869
Re: Edge accuracy problems.

Use your once fired brass to load for this weekend, and take the center stem out of your sizing die when you resize it. See if that helps.
How far off the lands are you ?
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  #14  
Old 05-08-2009, 06:37 AM
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Join Date: Dec 2002
Location: Northern Michigan
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Re: Edge accuracy problems.

Are your bullets rubbing the brake on the way out?
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