- Upper Receiver Type: Modular Flat-Top, Shell Deflector Only Model
- Material: Forged 7075 Aluminum
- Finish: Type III, Class 2 Hard Anodizing
- M4 Feed Ramps: Yes
- Weight: 8 oz
NOTE: This MUR Upper's Modular Side Plate comes equipped with the Shell Deflector Only, it does not have provision for a forward assist.