Stewart is a Specialist based at the U.S. Army Marksmanship Unit in Fort Benning, Georgia. He got his start in shooting when his elementary school started a trap team when he was in the sixth grade. The team lasted just one year, but Stewart was hooked and has kept shooting every since. Other hobbies include paintball and hunting.
- 2022 World Cup Cyprus, silver medal, 3-man Skeet Team
- 2014 World Cup Beijing, fifth place
- 2014 National Championships, silver medalist
- 2013 National Junior Olympic Championships, 5th place
- 2012 National Junior Olympic Championships, silver medalist