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accuracy expectation from chrome moly?

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  #1  
Unread 11-23-2012, 05:48 AM
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Join Date: May 2011
Location: Qld Australia
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accuracy expectation from chrome moly?

I have just had a Sako rebarreled to 6mm-223. I've tried 3 different projectiles and 4 different powders so far and they all give 1.5 to 2 inch groups. The smith wasn't concerned and said that chrome moly barrels can take up to 200 rounds to wear in.
That doesn't sound right to me, what do you think?
In my experience, if they dont shoot reasonably well with everthing then it wont shoot exceptionally well with anything.
The barrel is a Shilen 1-10 twist, 20 inch long medium varmint.
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  •   #2  
    Unread 11-23-2012, 06:07 AM
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    Re: accuracy expectation from chrome moly?

    Little difference between CM and stainless. Your smith may be correct. You might try David Tubbs Final Finish to expedite break in. Be sure you are cleaning it correctly. Some barrels never shoot; others do so right from the get=go. Gotta work with it before you give up.
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      #3  
    Unread 11-23-2012, 06:31 AM
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    Re: accuracy expectation from chrome moly?

    Steelshooter

    Been thinking about the 6mm/223, but not sure which way to go. AR 15 or bolt gun.Theres a Sako Receiver on Gun Broker. Decisions, decisions. Who did your rebarrel.
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      #4  
    Unread 11-23-2012, 06:44 AM
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    Re: accuracy expectation from chrome moly?

    I think the 6mm223 is a great little cartridge and is everything the 223 wants to be.
    A bolt action is the only real option Down Under,as the Aussie government has made it near impossible to own semi autos.
    Jim Kent is my smith, a Canadian would you believe, and has always done good work for me previously.
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      #5  
    Unread 11-23-2012, 08:33 AM
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    Re: accuracy expectation from chrome moly?

    Shilens CM are not hand lapped unless you order it as such (there is an added fee, $40 I think). My load for the 6 x 45mm (6mm/.223) consisits of Win. 748, a Win. Small Rifle primer, 80g. Sierra 'Blitz' (others work well, too), in a Win. , necked-up, case. Wonder off to any other primer and groups become "patterns" (like a shotgun pattern).
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      #6  
    Unread 11-23-2012, 02:39 PM
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    Re: accuracy expectation from chrome moly?

    Quote:
    Originally Posted by shortgrass View Post
    Shilens CM are not hand lapped unless you order it as such (there is an added fee, $40 I think). My load for the 6 x 45mm (6mm/.223) consisits of Win. 748, a Win. Small Rifle primer, 80g. Sierra 'Blitz' (others work well, too), in a Win. , necked-up, case. Wonder off to any other primer and groups become "patterns" (like a shotgun pattern).
    Primers are the one variable I haven't tried. But I will now. Fed 205m is what I've been using.
    Thanks.
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      #7  
    Unread 11-23-2012, 03:29 PM
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    Re: accuracy expectation from chrome moly?

    Your smith is blowing smoke at you because he has no good reason why it doesnt shoot better!!

    Find a good middle of the road load...not the slowest and not the max either and lad it and STAY with it while you work on seating depth. You'll find the right distance off the lands to e and then work on the powder.

    It'll get there OK.
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