GHK RPK GBBR
● Including steel outer barrel, steel recoil rod, and steel trigger set. User do not need to modify by their own.
● High quality surface treatment, same production procedure as real one.
● No dry fire design.
● Gas / Co2 magazine for option. (With device that prevent accidental firing)
● Firm structure for the part connects tight.
● Diameter of the 21mm bolt outstanding the recoil reaction.