The low profile Steel .750 tunable gas block and a Stainless Steel X-Large Gas tube. Upper is finished off with a Free Float Quadrail Handguard and Rocket Man Flash Hider in stainless steel.
Handguards - 15" free floating quadrail rail. Made from aircraft quality aluminum and black hardcoat anodized.
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 - low profile steel .740 tunable gas block. X-Large Rifle length gas tube.
Upper Assembly does not come with BCG and CH. Available on top of page.