I drew Master Chief holding an AR from memory in half an hour while waiting for a meeting to start. Hope you like it!
https://drive.google.com/open?id=1mK3t20VNyAkwsJFzw0FdtTobSVTeC24X
https://drive.google.com/open?id=1mK3t20VNyAkwsJFzw0FdtTobSVTeC24X