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. Maybe purchased separately. Please be advised that we now make these uppers with low profile gas block. If you must have a picattiny top profile gas block, please specify so in the checkout notes.