AR-15 5.56/.223 16" stainless steel spiral fluted tactical upper assembly features:
Barrel - 16" 416 stainless steel hbar contour barrel with x-treme fluting. Hardened to 26-32 rc and stress relieved. Chambered in .223 Wylde (accepts both, 5.56 NATO and .223 Rem rounds). 1-8 rh twist 6 groove button rifled. .750 diameter under gas block. Threaded 1/2x28 with A2 flash hider and a crush washer. 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 - .750 low profile gas block, steel and black hardcoat anodized. Carbine stainless steel gas tube.
Handguards - 12" mid-length free floating mlok rail handguard. Made from aircraft quality aluminum and black hardcoat anodized.
Does not come with BCG and charging handle. Can be purchased separately. Images may not be an exact representation of the product.