AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY - AVAILABLE IN VARIOUS MAGPUL COLORS.
Gas System: Carbine Length Gas System
Chamber: 5.56 NATO
Twist Rate: 1/8 button rifled
Muzzle Device: Thread 1/2 X28 A2 Flash Hider
Barrel: 16" M4 hbar contour, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter
Handguard: Magpul Moe 2 piece carbine-length black handguard
A3 flat top upper receiver - Made from certified 7075-T6 aluminum forgings, black hardcoat anodized to gov. specs.; forward assist and dust cover installed
Does not come with BCG and Charging Handle. May be purchased separately.