AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY . CA and NY compliant.
Action: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 Blackout Twist Rate: 1/8 button rifled Barrel: 16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter, parkerized Muzzle Device: Thread 5/8x24 6" mock muzzle brake flush mount shroud (the can adds for better accuracy) Handguard: Rifle Length Slim (15") Free Float A3 flat top upper receiver - Made from certified 7075-T6 aluminum forgings, black hardcoat anodized to gov. specs.; forward assist and dust cover installed Upper comes fully assembled. Does not come with BCG and/or Charging Handle. May be purchased separately.