AR-15 5.56/.223 16" M4 SLIM MLOK UPPER ASSEMBLY FEATURES:
Gas System: Carbine Length Gas System
Chamber: 5.56 NATO/.223 Wylde
Twist Rate: 1/9* button rifled
Muzzle Device: 1/2X28 3 port Muzzle Brake
Barrel: 16" M4 hbar contour, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter
Handguard: 12" Slim MLOK Free Float, Hybrid super slim
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. Can be purchased separately. There maybe variations in handguard design, depending on stock availability. The same excellent quality.
*Barrel twist may vary between 1/7 and 1/9, depending on stock availability.
CA and NJ compliant. We ship to all of the USA.