Initial review of my CMMG .300 Blackout Feb 18, 2012 8:39:19 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by crowell33 on Feb 18, 2012 8:39:19 GMT -5 crowell33.wordpress.com/2012/01/07/cmmg-ar-15-300-aac-blackout-review-part-1/