AR-15 5.56/.223 16" M4 BARRETT STYLE UPPER ASSEMBLY / FDE. CA and NY compliant.
Gas System: Carbine Length Gas System
Chamber: 5.56 NATO (shoots both, 5.56 and 2.23 rem)
Twist Rate: 1/8*
Barrel: 16" M4 contour, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter
Muzzle Device: Thread 1/2X28 custom steel barrett style muzzle brake in nitride
Handguard: Rifle-length Mlok Free Float in FDE Lightweight
A3 flat top upper receiver - Made from certified 7075-T6 billet aluminum, blue hardcoat anodized to gov. specs.; forward assist and dust cover installed
*The twist of the barrel may vary between 1x7 and 1x8, based on stock availability, please state your preference at checkout. Due to anodizing variations, the color blue may vary slightly in shade. The same excellent quality. Does not come with BCG and/or Charging Handle. May be purchased separately.