The 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. Once installed, the patented MCR upper receiver system can be user-configured in seconds without tools to adapt to virtually any mission profile. Specifically designed for responsible armed citizens, law enforcement and professional security personnel who wish to upgrade their rifle or carbine to MCR performance and capability.
FightLite Industries – MCR Upper — 5.56mm NATO · Black · 12.5″
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MCR-556-DFRM
FightLite, Mission Configurable Rifle Dual-Feed Upper Receiver Assembly, 5.56 NATO
12.5" Quick-Change Barrel, Threaded 1/2X28, Fits AR-15 Lower Receiver
M-LOK Handguard, Adjustable Sight Set, Manganese Phosphate Finish, Black, Includes Buffer, Spacer, Bolt Catch, Adapter and Compensator
The 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. Once installed, the patented MCR upper receiver system can be user-configured in seconds without tools to adapt to virtually any mission profile. Specifically designed for responsible armed citizens, law enforcement and professional security personnel who wish to upgrade their rifle or carbine to MCR performance and capability.
- Color
- Black
- Stripped
- No
- Barrel Length
- 12.5"
- Billet
- Yes
- Caliber
- 5.56mm NATO
- Receiver Size
- AR-15
- Manufacturer
- FightLite Industries
| Color | Black |
|---|---|
| Stripped | No |
| Barrel Length | 12.5" |
| Billet | Yes |
| Caliber | 5.56mm NATO |
| Receiver Size | AR-15 |
| Manufacturer | FightLite Industries |





