This sale is for one original Chinese Type 56 SKS Gas Piston for a Type 56 SKS.  These pistons are all in very good condition throughout.  There might be some light corrosion or carbon buildup on the end of the piston.  They have been cleaned of cosmoline, but may still have traces that will need cleaned before use. This is the large piston that sits in the main gas tube.  If you are in need of other SKS parts, please check out my other offerings of Type 56 parts!