AR-15 5.56/.223 16" stainless steel x-treme fluted tactical bull upper assembly includes:
Barrel - 16" 416 stainless steel bull contour barrel with x-treme fluting. Hardened to 26-32 rc and stress relieved. Chambered in 5.56 nato (also accepts .223 rounds). 1-9 rh twist 6 groove button rifled. .936 diameter under gas block. Target crowned. M4 feedramps.
A3 flat top upper receiver - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized and teflon coated to gov. specs. Forward assist and dust cover installed. M4 feedramps.
Gas system - .936 low profile steel gas block and black hardcoat anodized. Carbine length gas system.
Handguards - mid-length free floating quad rail handguard. Made from aircraft quality aluminum and black hardcoat anodized.
Does not come with BCG and charging handle. Can be purchased separately. CA and NY compliant.