Spare parts for GHK AK GMAG gas magazine
● Magazine gas type output valve, copper and iron made.
● Compatible with GHK AK/AUG/553 gas magazine.
● Please use silicone oil as maintenance, so that the air-tight can be mainten in good condition
● The wear of o-ring inside the valve is normal situation. It can be replaced if necessary, please [click here] and refer to the replacement