Trends
What U.S. police agencies are issuing
Counts from 1,147 agencies with current, sourced pistol, rifle or shotgun entries in the Duty Arms Index. No estimates: every number links back to agency pages and their sources. Data last updated Oct 10, 2026.
Most issued police duty pistols
Which pistol families the most agencies issue
View trend →Pistol red dot adoption
Agencies with a sourced pistol optic
View trend →Duty pistol calibers: 9mm vs .40 vs .45
Caliber share of primary duty pistols
View trend →Most common patrol rifles
Patrol rifles and carbines by agency count
View trend →
Model vs model
- Glock G17 vs Glock G45190 / 157
- Glock G17 vs Glock G19190 / 102
- Glock G17 vs Glock G22190 / 91
- Glock G17 vs SIG SAUER P320190 / 77
- Glock G17 vs Glock G47190 / 50
- Glock G45 vs Glock G19157 / 102
- Glock G45 vs Glock G22157 / 91
- Glock G45 vs SIG SAUER P320157 / 77
- Glock G45 vs Glock G47157 / 50
- Glock G19 vs Glock G22102 / 91
- Glock G19 vs SIG SAUER P320102 / 77
- Glock G19 vs Glock G47102 / 50
- Glock G22 vs SIG SAUER P32091 / 77
- Glock G22 vs Glock G4791 / 50
- SIG SAUER P320 vs Glock G4777 / 50
- Colt AR-15 vs Colt M4 Carbine75 / 53
- Colt AR-15 vs Smith & Wesson M&P1575 / 26
- Colt AR-15 vs SIG SAUER M40075 / 14
- Colt M4 Carbine vs Smith & Wesson M&P1553 / 26
- Colt M4 Carbine vs SIG SAUER M40053 / 14
- Smith & Wesson M&P15 vs SIG SAUER M40026 / 14