Rock River Arms INC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersColona, IL
US patents55
SAM.gov UEIEJLRADHRBSK6
CAGE code1TCL8
Incorporated inIL
- pistols
- uppers
- lowers
- 300 AAC
- 17 HMR
- 22LR
Named on the company’s own website, read JUL 29, 2026
What they make
Supplier designations
For Profit OrganizationSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
55 US patents granted 2007–2025, 1 of them in the five years to SEP 2025, including 32 design patents.
Other special machines 23
- Firearm cartridge ejectorUS 12,345,486 · granted JUL 1, 2025
- FirearmUS 10,605,556 · granted MAR 31, 2020
- Firearm having gas piston systemUS 10,048,029 · granted AUG 14, 2018
- Firearm with magazine release leverUS 9,989,326 · granted JUN 5, 2018
- FirearmUS 9,869,522 · granted JAN 16, 2018
Newest 5 shown · Granted to Rock River Arms, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Rock River Arms INC | Colona | IL | 20–99 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.