Description
MI Midwest Industries AR15 Billet Upper Receiver AR-15
- Machined from billet 6061 Aluminum
- Mil-spec black hard coat anodized
- Thicker wall for increased strength
- Includes laser etched T-marks
- M4 feed ramps
- Weight 8.9oz
- Made 100% in USA
*Will NOT work with CRM, SP or G4M handguards*
*Will work with G3M or aftermarket handguards that do not use upper anti-rotation*