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Rifles, Reloading, Optics, Equipment
Reloading
Colt ar .223 handloading and coal
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<blockquote data-quote="Greyfox" data-source="post: 1580351" data-attributes="member: 10291"><p>Just about all the Colt as well as the other "MilSpec" equivalents tend have to have generous jumps to the lands, consistent with the values you are seeing. When using conventional bullet shaped bullets(non-VLD), I have personally found little variation in optimizing accuracy by tuning seating depth and have generally used recommended COAL(Sierra/Hogdon, etc) manuals for the given bullet, making sure I have sufficient clearance in my magazine. My go to load for my 20" 1:9 HBAR, at .5MOA /3000FPS in my Colt HBar is 69gr SMK(seated 2.255 COAL), Varget, CCIBR4, Lapua Brass. I have also had excellent results with the 55gr Hornady and Sierra Varmint offerings using Varget.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1580351, member: 10291"] Just about all the Colt as well as the other “MilSpec” equivalents tend have to have generous jumps to the lands, consistent with the values you are seeing. When using conventional bullet shaped bullets(non-VLD), I have personally found little variation in optimizing accuracy by tuning seating depth and have generally used recommended COAL(Sierra/Hogdon, etc) manuals for the given bullet, making sure I have sufficient clearance in my magazine. My go to load for my 20” 1:9 HBAR, at .5MOA /3000FPS in my Colt HBar is 69gr SMK(seated 2.255 COAL), Varget, CCIBR4, Lapua Brass. I have also had excellent results with the 55gr Hornady and Sierra Varmint offerings using Varget. [/QUOTE]
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Reloading
Colt ar .223 handloading and coal
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