Master gunnery sergeant
| Master Gunnery Sergeant | |
|---|---|
Master Gunnery Sergeant insignia | |
| Country | United States |
| Service branch | United States Marine Corps |
| Abbreviation | MGySgt |
| NATO rank code | OR-9 |
| Pay grade | E-9 |
| Formation | 1958 |
| Next lower rank | Master sergeant |
| Equivalent ranks | Sergeant major |
Master gunnery sergeant (MGySgt) is the 9th and highest enlisted grade in the United States Marine Corps. Master gunnery sergeants are senior staff non-commissioned officers (SNCOs) with the pay grade of E-9, equivalent to sergeants major and the Sergeant Major of the Marine Corps. As E-9s, they tend to serve for about 15 to 30 years, and advise commanders on subjects relating to the enlisted.