FightLite's groundbreaking MCR (Mission Configurable Rifle) belt-fed upper receiver assembly is designed to interchange with standard AR/M4 type uppers and readily fits any MIL-Spec lower receiver without permanent modification to the host lower, and is rearward compatible to AR15/M16 models produced as early as 1963.
- Prop65:
- WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov
