Complete upper assembly comes fully assembled.
-16" 5.56 NATO 4150V Barrel, 1:8 twist, Carbine Length Gas System
-7075 Forged Upper Receiver
-15" MK3 Handguard
-WPA Flash Comp.
-WPA Ambidextrous Charging Handle
-4 Cerakote Color Options
**BOLT CARRIER GROUP NOT INCLUDED!
Upper Receiver Options:
-Standard Forged 7075 Aluminum Upper Receiver with Forward Assist, Dust Cover, and Ambidextrous Charging Handle
-NRSC (Non Reciprocating Side Charging) Upper Receiver without Forward Assist or Dust Cover