FBI vs USMS: what guns does each carry?
The FBI reportedly issues the Glock G19M MOS as its duty pistol; the USMS issues the Glock G47. Both are chambered in 9mm Luger. For rifles, the FBI lists the Colt Carbine (model not stated) and the USMS the Daniel Defense DDM4 V7 S. The FBI has a sourced pistol optic (Trijicon RMR HD).
From current, published entries with public sources in the Duty Arms Index; data last updated Oct 9, 2026. Agency-level issue only; individual officers may carry approved alternatives.
Federal Bureau of InvestigationFederal · Federal
Representative photo: commercial GLOCK 19 Gen5, not the FBI-issue 19M MOS. Photo: Duty Arms Index (background removed). Model photo, not the agency's own firearm.
United States Marshals ServiceFederal · Federal
Glock 47 (U.S. Border Patrol issue), shown with the slide locked back. Photo: Greg L. Davis, U.S. Customs and Border Protection, Public domain, via DVIDS (cropped, rotated and background removed). Model photo, not the agency's own firearm.
Side by side
| Item | FBI | USMS |
|---|---|---|
| Duty pistol | ||
| Duty pistol | Glock G19M MOSReliable secondarysource 2026 | Glock G47Official sourcesource 2023, not re-verified |
| Pistol caliber | ||
| Pistol caliber | 9mm Luger | 9mm Luger |
| Optic | ||
| Optic | Trijicon RMR HDOfficial sourcesource 2024, not re-verified | None sourced |
| Weapon light | ||
| Weapon light | SureFire Weapon light (model not specified)Official sourcesource 2025 | None sourced |
| Patrol rifle | ||
| Patrol rifle | Colt Carbine (model not stated)Official sourcesource 2022, not re-verified | Daniel Defense DDM4 V7 SOfficial sourcesource 2023, not re-verified |
| Previous duty pistol | ||
| Previous duty pistol | Glock G23 (until 2016) | — |
| Agency type | ||
| Agency type | Federal | Federal |
| Public sources | ||
| Public sources | 12 | 9 |
"Not yet sourced" means no public source is in the index yet, not that the agency doesn't issue one.
What each agency carries
What gun does the Federal Bureau of Investigation carry?
The Federal Bureau of Investigation's current duty pistol is reportedly the Glock G19M MOS (9mm Luger), with a Trijicon RMR HD optic and a SureFire Weapon light (model not specified), per news or manufacturer reports (2026). Its current patrol rifle is the Colt Carbine (model not stated) (5.56x45mm / .223), per official agency or government records; based on a 2022 source and not re-verified since.
Full FBI loadout, history and sources →What gun does the United States Marshals Service carry?
The United States Marshals Service's current duty pistol is the Glock G47 (9mm Luger), per official agency or government records; based on a 2023 source and not re-verified since. Its current patrol rifle is the Daniel Defense DDM4 V7 S (5.56x45mm NATO), per official agency or government records; based on a 2023 source and not re-verified since.
Full USMS loadout, history and sources →More agency comparisons
- FBI vs Secret Service
- FBI vs DEA
- Secret Service vs USMS
- NYPD vs LAPD
- CBP vs ICE
- CHP vs Texas DPS
- NYPD vs Chicago PD
- Chicago PD vs LAPD
- LAPD vs LASD
Browse by state: Federal · Most common duty pistols