AR-15 5.56/.223 20" STRAIGHT FLUTED STAINLESS UPPER ASSEMBLY / LEFT HAND Features:
Barrel - 20" 416R stainless steel hbar contour barrel. 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 under gas block. 1/2x28 threads. M4 feedramps. Barrel is finished off with nitride triport muzzle brake and crush washer.
A3 flat top upper receiver - Left hand made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed.
Gas system - Low profile .750 steel gas block. Rifle length gas tube.
Handguards - 15" rifle length free floating Mlok handguard. Made from aircraft quality aluminum and black hardcoat anodized.
Does not come with BCG or CH. Options available on top of page. Please allow 7-10 days for your upper to be build. Images may not be an exact representation of the product.