ListedRifle
Is the CMMG MK4 on Colorado's SB25-003 list?
This make and model appears on Colorado's specified-semiautomatic-firearms list as published 2026-07-30.
Manufacturer: CMMG (manufacturer's official site)
How the state lists it
| Category | Rifle |
|---|---|
| Manufacturer (as published) | CMMG |
| Model (as published) | MK4 |
| Manufacturer (normalized) | CMMG |
| Series entry | No |
| First appeared | 2026-05-15 |
Version history
- 2026-07-30On the current list.
- 2026-07-01Listed. The published text was cleaned up for this version (previously shown as “MK4 .22 LR”). This was a working-annotation change, not a change to what is listed.
Derived from the state's list versions and the change log.
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Other CMMG entries
Not legal advice. This page reproduces the state's published list with its source. Confirm anything that matters with your FFL or a Colorado attorney. Think this is wrong? Report a correction.