AR-15 5.56 7.5" stainless steel barrel upper assembly LEFT HAND. Barrel - 7.5" 416 stainless steel hbar/heavy contour barrel. 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. .750 under gas block. 1/2-28 threads on muzzle end with our stainless steel muzzle brake and crush washer. M4 feedramps.
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. M4 feedramps.
Gas system - Low profile gas block. Made from aircraft quality aluminum and black hardcoat anodized. Pistol length gas tube.
Handguards - Free floating rail handguard. Carbine length. Made from aircraft quality aluminum and black hardcoat anodized.
We can do this upper in 10" version if interested at the same low price. Please include in notes your desired specifications. Does not come with BCG and/or charging handle.