This Upper Assembly is complete and ready for your choice of optics or rear sights. The highly accurate 16" M4 profile barrel is chrome lined and machined from 4150 chrome moly vanadium steel with 1:9" rifling and a right hand twist. The 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, and ejection port cover.
|Type||Complete Gas Impingement|
|Series||M4 Profile No Handle|
|Caliber||223 remington556 nato|
|Barrel Material||4150 Steel|
|Barrel Description||M4 Profile|
|Barrel Length Range||16.00" to 17.99"|
Determined at checkout.