An "expert rifleman" is someone who is skilled and proficient in handling a rifle. There are many synonyms that can be used to describe this type of individual. Some popular alternatives include marksman, sharpshooter, sniper, shooter, or gunner. These words all convey a sense of excellence and mastery in rifle skills. Other options might include rifleteer, sharp-eyed rifleman, or rifle ace. Whether you're writing a story, creating a resume, or simply working on your vocabulary, expanding your understanding of synonyms for "expert rifleman" can help improve your writing and communication skills.