A weapons-possession count should not be grouped with a drugs count when tallying up the offense level during sentencing, as the weapons-possession charge incurs a statutory minimum term of imprisonment, removing the justification for such grouping.
Circuit split flagged, and doubled down upon.
http://media.ca7.uscourts.gov/cgi-bin/rssExec.pl?Submit=Display&Path=Y2018/D06-19/C:17-2764:J:PerCuriam:aut:T:fnOp:N:2172766:S:0
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.