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Rifles, Reloading, Optics, Equipment
Reloading
Why so bad grouping???
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<blockquote data-quote="MAHMOODB" data-source="post: 817584" data-attributes="member: 47897"><p>Hi. I have a howa 300 win mag which i have some issues with. I am reloading 180gr sierras with winchester cases and cci200 primers and s365 powder.</p><p>My problem is at 100metres i get a fantastic grouping of 1/2". but at 200 meters my grouping opens up to 5" and at 300meters its basically all over the show.</p><p>what can be the problem. all the cases are perfectly equall as well as seating depth as well as well as as powder measure.</p><p>iv also tried nosler bullets of 180gr an the result is the same. </p><p>is my bullet too heavy for that distance or ?????????</p></blockquote><p></p>
[QUOTE="MAHMOODB, post: 817584, member: 47897"] Hi. I have a howa 300 win mag which i have some issues with. I am reloading 180gr sierras with winchester cases and cci200 primers and s365 powder. My problem is at 100metres i get a fantastic grouping of 1/2". but at 200 meters my grouping opens up to 5" and at 300meters its basically all over the show. what can be the problem. all the cases are perfectly equall as well as seating depth as well as well as as powder measure. iv also tried nosler bullets of 180gr an the result is the same. is my bullet too heavy for that distance or ????????? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Why so bad grouping???
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