  | Es? |
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04-06-2012, 07:41 PM
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Bronze Member
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Join Date: Jan 2012
Location: Crawfordville florida
Posts: 96
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Es?
Just started reloading and work up a load that shoots 3/4 to 1/2 moa just got chronograph today shot 5 rounds 2911,2916,2938,2868,2909 . Is this to much of a spread ??? 7mm 69.5 retumbo 180berger cci250
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04-06-2012, 08:15 PM
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Platinum Member
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Join Date: Jan 2010
Location: Leominster mass, originally Salisbury Maryland
Posts: 1,272
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Re: Es?
Quote:
Originally Posted by Fla shooter
Just started reloading and work up a load that shoots 3/4 to 1/2 moa just got chronograph today shot 5 rounds 2911,2916,2938,2868,2909 . Is this to much of a spread ??? 7mm 69.5 retumbo 180berger cci250
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You really only have one there that is a little off from the pack, the one that is 2868. Sometimes those will show up, for no explainable reason. It can be the brass is " tired" the barrel is hot, cold, or something you may never figure out. How did the load shoot on paper? Best thing to do is shoot it some more, and compare. If the load is grouping well, and you are not shooting super long distance, don't worry about it. That is actually pretty good speed.
P/ S, consistentcy is KEY.
__________________
AIM SMALL,MISS SMALL.   7 STW
LIFE IS TOO SHORT! AND WE ARE A LONG TIME DEAD!!!
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04-06-2012, 08:31 PM
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Join Date: Jan 2012
Location: Crawfordville florida
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Re: Es?
Im gonna try 168bergers should pick up some speed I think
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04-07-2012, 11:11 AM
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Join Date: Jan 2012
Location: Crawfordville florida
Posts: 96
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Re: Es?
Shot 168's with the same recipe as the 180's grouped .436 with four n a pulled the last one only being .723 !es was 2968,2948,2954,2950,2960
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04-07-2012, 08:34 PM
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Platinum Member
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Join Date: Jan 2010
Location: Leominster mass, originally Salisbury Maryland
Posts: 1,272
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Re: Es?
Quote:
Originally Posted by Fla shooter
Shot 168's with the same recipe as the 180's grouped .436 with four n a pulled the last one only being .723 !es was 2968,2948,2954,2950,2960
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That is not bad, but speed could come up a little, or leave it alone. Are you shooting a five shots at once, or are you waiting after two shots? Just curious.
__________________
AIM SMALL,MISS SMALL.   7 STW
LIFE IS TOO SHORT! AND WE ARE A LONG TIME DEAD!!!
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04-07-2012, 08:40 PM
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Silver Member
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Join Date: Nov 2010
Location: Rigby, Idaho
Posts: 129
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Re: Es?
What kind of chronograph?
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04-07-2012, 08:41 PM
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Bronze Member
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Join Date: Jan 2012
Location: Crawfordville florida
Posts: 96
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Re: Es?
Shooting all five take a few secounds to reset chony !i bumped it up to 70. Of retumbo n it dropped to 2883 to 2860! Cant figure why it dropped
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