Rock River Arms AR-15 A4 Upper Receiver Assembly 223/5.56 Upper AR0369B
- UPC:
- 842834124725
- MPN:
- AR0369B
- Main Version:
- Rock River Arms AR-15 A4 Upper
- Caliber:
- 223/5.56
- Manufacturer:
- Rock River Arms
- Version:
- Rock River Arms AR-15 A4 Upper Receiver Assembly
- Features:
- 4.25" Free Float M-LOK Handguard
- Type:
- Upper
- Finish:
- Anodized Black
- Muzzle:
- Smith Vortex Flash Suppressor
- Barrel Length:
- 4.5"
