- Golemagg the Incinerator (2.6% drop rate)
- Magmadar (1.7%)
- Shazzrah (1.7%)
- Garr (1.0%)
- Baron Geddon (0.9%)
- Lucifron (0.7%)
- The gnomes of Toshley's Station and Fizzcrank Fullthrottle of Fizzcrank Airstrip all carry rifles that use the Core Marksman Rifle model.
- Patch 1.4.0 (2005-05-05): Added.