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Old September 16, 2012, 09:31 AM   #17
Senior Member
Join Date: January 20, 2009
Location: Amity Oregon
Posts: 464
Is the barrel of your 223 threaded? Might try this:

Another possibility, since you reload, is loading sub-sonic. Hmmmm--
looks like a reason to buy a new upper for a AR!! 300 AAC Blackout.
BillM is offline  
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