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Rifles, Reloading, Optics, Equipment
Reloading
220 ackley
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<blockquote data-quote="rotorhead" data-source="post: 141819" data-attributes="member: 5078"><p>Just use the load information out of the sierra manual and work your way up . stick to the 3 or so powders that are slower that round should shoot the 69s and 80s real good My experiance with the standard 220 swift it the 69s out to about 400 and the 80s beyond out of a 26 inch 3 groove lilja I hunt coyotes with mine and gennerally use the 69s Any way just start with the upper end of the prectrum in the sierra book. As for the 3 groove the idea is to gain barrel life. This is my first one so I can't be sure it works as of yet although at 3500fps and somewhere in the neighborhood of 1800 round the accuracy has slipped very very very slightly from <a href="mailto:.2@100">.2@100</a> to <a href="mailto:.3@100.">.3@100.</a> I'm not sure how much differance the ackley for the 220 would be but I use AA4350 but you might be able to use a little slower powder. Hope this is of some use</p><p></p><p>RH</p></blockquote><p></p>
[QUOTE="rotorhead, post: 141819, member: 5078"] Just use the load information out of the sierra manual and work your way up . stick to the 3 or so powders that are slower that round should shoot the 69s and 80s real good My experiance with the standard 220 swift it the 69s out to about 400 and the 80s beyond out of a 26 inch 3 groove lilja I hunt coyotes with mine and gennerally use the 69s Any way just start with the upper end of the prectrum in the sierra book. As for the 3 groove the idea is to gain barrel life. This is my first one so I can't be sure it works as of yet although at 3500fps and somewhere in the neighborhood of 1800 round the accuracy has slipped very very very slightly from [email=".2@100"].2@100[/email] to [email=".3@100."].3@100.[/email] I'm not sure how much differance the ackley for the 220 would be but I use AA4350 but you might be able to use a little slower powder. Hope this is of some use RH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
220 ackley
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