Technical Specifications
Platform: AR10, AR15, M4, M16, M110, SR25
Compatibility: Mil-Spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, LMT, Ruger, S&W, SIG, and others
LOP, M4 Collapsed: ~11.8 in
LOP, M4 Extended: ~15.3 in
LOP Adjustment Range: 3.5 in
Length: 8.5 – 12.0 in 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.