The low profile Steel .750 Gas Block with Nitride Finish and a Stainless Steel rifle Length Gas tube. Upper is finished off with a Free Float of your choice, Ultra Slim Line Mlok handguard.
Barrel - 20" 4150 CMV midweight barrel. Chambered in .224 Valkyrie, 1-7 rh twist. .750 under gas block. 1/2-28 threaded, completed with nitride coated triport muzzle brake and crush washer. M4 feedramps.
Handguards - 15" free floating mlok 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 .750 gas block, black hardcoat anodized. Rifle length gas tube.
Upper Assembly does not come with BCG and CH.