AR-15 5.56/.223 20" stainless steel spiral fluted tactical upper assembly

AR-15 5.56/.223 20" stainless steel spiral fluted tactical upper assembly

AR-15 5.56/.223 20" stainless steel spiral fluted tactical upper assembly. Barrel - 20" 416 stainless steel hbar barrel with spiral fluting. Hardened to 26-32 rc and stress relieved.  Chambered in 5.56 NATO, accepts both rounds, 5.56 and .223. 1-8* rh twist 6 groove button rifled. .750 diameter under gas block. Threaded 1/2x28 with xtreme triport muzzle brake in nitride and a crush washer. M4 feedramps.

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 - .750 low profile gas block made from aircraft quality aluminum and black hardcoat anodized. Rifle length gas system.

Handguards - 15" rifle-length free floating Mlok rail.  Made from aircraft quality aluminum and black hardcoat anodized. Rail may vary in design based on stock availability, the same excellent quality.

Does not come with BCG and charging handle. Can be purchased separately. Images may not be an exact representation of the product.

*Please note, twist may vary between 1-8