Thread: converting .223 brass to 300 AAC
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Old 08-19-2011, 08:53 AM
chiao123 chiao123 is offline
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Join Date: Jul 2011
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converting .223 brass to 300 AAC
What is the exact length .223 brass has to be cut down before i put them thru the dies for 300 blackout for .223 to 300 aac conversion? On ammoguide.com they list 300 blackout case 1.368.

http://ammoguide.com/?catid=808
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