AR-15 Premium Upper Build Kit

The Kit contains the basic parts to help you build an AR-15 upper.  It Includes a stripped upper receiver, a forward assist assembly, an ejection port assembly, a charging handle, and a complete bolt carrier group.  The upper receiver is forged from 7075-T6 aluminum and has M4-type feed cuts inside for reliable feeding.  It is compatible with standard or mil-spec lowers and components.
 

Tactical Upper Assembly Build Kit has an Aero Precision Stripped Upper Receiver (100-010-612), a DPMS Forward Assist Assembly (231-000-063), a DPMS Ejection Port Cover Assembly (231-000-359), a DPMS Charging Handle (749-002-660), and an Anderson M16 5.56 Bolt Carrier Group (100-016-550).
 

Premium Upper Assembly Build Kit has an Aero Precision Stripped Upper Receiver (100-010-612), a High Standard Forward Assist Assembly (430-000-524), a High Standard Ejection Port Cover Assembly (430-000-523), a Bravo BCM GunFighter Charging Handle-Medium Size (100-005-369), and Brownells M16 Bolt Carrier Group (078-000-250).