AR-15 5.56/.223 16" STAINLESS 223 WYLDE "GOLF BALL" UPPER ASSEMBLY INCLUDES:
Barrel - 16" 416r stainless steel hbar contour barrel nitride coated. Hardened to 26-32 rc and stress releived. Chambered in .223 Wylde, 1-9 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 reciever - 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. The twist of the barrel may interchange between 1-8 and 1-9, depending on stock availability. Please send inquiry with your preferred twist.