Although the two sentencing bumps both arise from the possession of the stolen weapon during the crime, one refers to the theft of the weapon, and one refers to the probable use of the weapon. Absent legislative guidance against double-counting, both may be applied.
http://media.ca1.uscourts.gov/pdf.opinions/17-1978P-01A.pdf
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.