I have a complete BCM 16" .300 blackout rifle that's factory built and a 16" BCM factory built  5.56 upper. Neither of these uppers have seen over 100 rounds through them. I have way too many other BCM rifles currently in the same configuration. I'll include one factory BCM bolt carrier group and one Radian charging handle. You can swap the BCg and charging handle between uppers. For some extra $$ I can include another BCM bolt carrier group and another charging handle. $1,750 for all of it as is. Call/text me for more info REDACTED Thanks!