This heavy barreled upper assembly is complete and ready to snap onto your Lower. A superbly accurate 16" heavy profile barrel - chrome lined and machined from 4150 chrome moly vanadium steel is rifled 1 x 9" right hand twist. An A2 flash suppressor and standard A2 front sight are fitted.
The machined aluminum flat top upper receiver is complete with:
- Bolt Carrier Assembly - Charging Handle - Forward Assist - Ejection Port Cover - Removable A4 Carry Handle with 300 - 600 meter Dual Aperture Rear Sight