M4 shown with M68 (Aimpoint) optic. Photo: Photo Courtesy of PEO Soldier, Public domain, via Wikimedia Commons. Model photo, not the agency's own firearm.
Rifles / Carbines
Colt M4 Carbine
5.56x45mm / .223Not sold to consumers / LE-specific variant
Agencies currently issuing (45)
- Orange County Sheriff's Department · Sheriff's office · California · Patrol long gunOfficial source
- Avenal Police Department · Local police · California · OtherOfficial source
- Belmont Police Department · Local police · California · OtherOfficial source
- Brentwood Police Department · Local police · California · OtherOfficial source
- California City Police Department · Local police · California · Patrol long gunOfficial source
- Chino Police Department · Local police · California · OtherOfficial source
- Chowchilla Police Department · Local police · California · Patrol long gunOfficial source
- Colma Police Department · Local police · California · OtherOfficial source
- Crescent City Police Department · Local police · California · OtherOfficial source
- Downey Police Department · Local police · California · OtherOfficial source
- El Centro Police Department · Local police · California · Patrol long gunOfficial source
- El Monte Police Department · Local police · California · Patrol long gunOfficial source
- Fairfield Police Department · Local police · California · OtherOfficial source
- Folsom Police Department · Local police · California · OtherOfficial source
- Fresno Police Department · Local police · California · Patrol long gunOfficial source
- Glendora Police Department · Local police · California · OtherOfficial source
- Inyo County Sheriff's Department · Sheriff's office · California · OtherOfficial source
- Kern County Sheriff's Department · Sheriff's office · California · OtherOfficial source
- Los Banos Police Department · Local police · California · OtherOfficial source
- Los Gatos/Monte Sereno Police Department · Local police · California · OtherOfficial source
- Monterey County Sheriff's Department · Sheriff's office · California · Specialized unit (agency-published only)Official source
- Mountain View Police Department · Local police · California · Patrol long gunOfficial source
- Newark Police Department · Local police · California · OtherOfficial source
- Newport Beach Police Department · Local police · California · OtherOfficial source
- Orange Police Department · Local police · California · OtherOfficial source
- Pleasant Hill Police Department · Local police · California · Patrol long gunOfficial source
- Richmond Police Department · Local police · California · Patrol long gunOfficial source
- Santa Cruz County Sheriff's Office · Sheriff's office · California · Patrol long gunOfficial source
- San Bruno Police Department · Local police · California · OtherOfficial source
- San Diego County Sheriff's Department · Sheriff's office · California · OtherOfficial source
- San Fernando Police Department · Local police · California · OtherOfficial source
- San Ramon Police Department · Local police · California · OtherOfficial source
- Santa Barbara County Sheriff's Office · Sheriff's office · California · OtherOfficial source
- Santa Barbara Police Department · Local police · California · Patrol long gunOfficial source
- Santa Clara Police Department · Local police · California · OtherOfficial source
- Santa Maria Police Department · Local police · California · OtherOfficial source
- Seaside Police Department · Local police · California · Patrol long gunOfficial source
- Signal Hill Police Department · Local police · California · Patrol long gunOfficial source
- Solano County Sheriff's Office · Sheriff's office · California · OtherOfficial source
- Hawthorne Police Department · Local police · California · Patrol long gunOfficial source
- South Pasadena Police Department · Local police · California · Patrol long gunOfficial source
- Torrance Police Department · Local police · California · Patrol long gunOfficial source
- Tracy Police Department · Local police · California · Patrol long gunOfficial source
- Drug Enforcement Administration · Federal · Federal (nationwide) · Patrol long gunOfficial source
- U.S. Fish and Wildlife Service · Federal · Federal (nationwide) · Patrol long gunOfficial source
Civilian equivalent
Retailer links coming soon. (Placeholder slot — affiliate links render here once approved and marked active.)