AR-15 5.56/.223 16" STAINLESS 223 WYLDE "GOLF BALL" UPPER ASSEMBLY INCLUDES:
Barrel - 16" 416r stainless steel hbar contour barrel, stainless steel fluted. Hardened to 26-32 rc and stress relieved. Chambered in .223 Wylde, 1-8 rh twist.* Button rifled. .750 under gas block. Ball fluted. 1/2-28 threads, completed with a stainless steel muzzle brake and a crush washer. M4 feedramps. Carbine length gas system.
A3 flat top upper receiver - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed. M4 feedramps.
Gas system - low profile .750 gas block made from aircraft quality aluminum and black hardcoat anodized. Carbine length gas tube.
Handguards - 12" slim free floating keymod rail. Made from aircraft quality aluminum and black hardcoat anodized.
Does not come with BCG and Charging Handle. Maybe purchased separately.