aluminum alloys for the body?? I am afraid not.I am asking the RS NOT an airsoft rifle, should be made out of Full forged steel and comes with a polymer stock and carry handle.the internals are undoubtedly steel right??
i'm not sure if i'm right but i think concentration moles/volumebut it may be different with ionsmaybe have to divide answer by 3 because of the Ali don't know but hopefully i'll ring some bells or somethinglol good luck.
Upper and lower receiver is made from 7075 T6 aluminum alloy forgingsBolt is made from Carpenter 158 steelBarrel steel meets Mil-Spec 11595E which means it is one of several types of steel that has certain specific chemical composition listed in the specificationReceiver extension is 6061 aluminum, hammer, trigger, and disconnector are made from hardened tool steelFSB is cast steel, gas tube is stainless steelCarry handle and rear sight assembly is also steelBolt carrier is made from steel, not sure which grade, but probably 4140 or 4150Handguards and stock are made from composites.
