Key Features
Technical Specifications
| Platform | AR10, AR15, M4, M16, M110, SR25 |
|---|---|
| LOP, M4 Collapsed | ~11.8 in. |
| LOP, M4 Extended | ~15.3 in. |
| LOP Adjustment Range | 3.5 in. |
| Length | 8.5-12.0 in. |
| Weight, w/ receiver extension | 21.2 oz. |
| Width, max | 1.7 in. |
| Other Specs | Specifications based on factory configuration NOTE: The UBR GEN2 includes the required custom Receiver Extension tube, Buffer Spacer, and all mounting hardware. A carbine buffer and spring (M4 or SR-25 length) or A5 buffer and spring are required for use with the UBR and are not included. |