The FAB Defense Ultimag 10R is a detachable 10-round magazine designed for AR-15/M16/M4 variants chambered in .223 Rem/5.56 NATO. It pairs a polymer body with steel components and a specialty floor plate for coupling options. The magazine features an ergonomic profile intended to improve grip and speed magazine changes in field or range use.
Key Specifications
- The magazine is Detachable.
- Compatible with AR-15 platforms (M16/M4/AR-15 variants).
- Model designation is Ultimag 10R.
- Made of polymer and steel as described in manufacturer notes.
- Finish is Black.
- Capacity is 10rd.
- Chambering is .223 REM/5.56 NATO.
- Includes a specialty-made floor plate for coupling options.
- The design provides an ergonomic profile for enhanced grip and faster magazine changes.
Compact and purpose-built, the Ultimag 10R offers a practical, low-profile feeding solution for shooters seeking a 10-round option for range, training, or service-style applications. Its combination of polymer body and steel components with a specialty floor plate provides a balance of lightweight handling and durable features for routine use.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




