Duty Arms IndexFBI vs ATF: what guns does each carry?
The FBI reportedly issues the Glock G19M MOS as its duty pistol; the ATF issues the Glock G19 MOS. Both are chambered in 9mm Luger. For rifles, the FBI lists the Colt Carbine (model not stated) and the ATF the Colt M4 Carbine. 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 10, 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.
Bureau of Alcohol, Tobacco, Firearms and ExplosivesFederal · Federal
Representative photo: a U.S. Coast Guard-issue GLOCK 19 Gen5 MOS (front serrations, ambidextrous slide stop), carried with the optic cover plate fitted, so no optic is mounted. Photo: Petty Officer 2nd Class Sydney Phoenix, U.S. Coast Guard, Public domain, via DVIDS (cropped (hands and pistol only)). Model photo, not the agency's own firearm.
Side by side
| Item | FBI | ATF |
|---|---|---|
| Duty pistol | ||
| Duty pistol | Glock G19M MOSReliable secondarysource 2026 | Glock G19 MOSOfficial sourcesource 2026 |
| Pistol caliber | ||
| Pistol caliber | 9mm Luger | 9mm Luger |
| Optic | ||
| Optic | Trijicon RMR HDOfficial sourcesource 2024, not re-verified | EOTech XPS2 (on rifle)Official sourcesource 2017, not re-verified |
| Weapon light | ||
| Weapon light | SureFire Weapon light (model not specified)Official sourcesource 2025 | Streamlight TLR-7Official sourcesource 2019, not re-verified |
| Patrol rifle | ||
| Patrol rifle | Colt Carbine (model not stated)Official sourcesource 2022, not re-verified | Colt M4 CarbineOfficial sourcesource 2017, not re-verified |
| Shotgun | ||
| Shotgun | Not yet sourced | Remington 870 |
| Previous duty pistol | ||
| Previous duty pistol | Glock G23 (until 2016) | — |
| Agency type | ||
| Agency type | Federal | Federal |
| Public sources | ||
| Public sources | 12 | 11 |
"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 Bureau of Alcohol, Tobacco, Firearms and Explosives carry?
The Bureau of Alcohol, Tobacco, Firearms and Explosives' current duty pistol is the Glock G19 MOS (9mm Luger), with a Streamlight TLR-7, per official agency or government records (2026). Its current patrol rifle is the Colt M4 Carbine (5.56x45mm / .223), with an EOTech XPS2 optic, per official agency or government records; based on a 2017 source and not re-verified since.
Full ATF loadout, history and sources →More agency comparisons
- FBI vs Secret Service
- FBI vs DEA
- FBI vs USMS
- DEA vs ATF
- FBI vs NYPD
- FBI vs Texas DPS
- FBI vs ICE
- NYPD vs LAPD
- CBP vs ICE
Browse by state: Federal · Most common duty pistols