Here is the latest update from King Arms:
Dear Customer,
Item Code: KA-STOCK-06-GY
Name: M16 Fixed Stock/GYDescription:
-Highly details stock pipe which is similar to real pipe.
-Special designed battery case to ensure prefect fit.
-One-piece fixed stock to increase durability and strength.
-Capable to store large 9.6V – 12V A2 style battery with no modification needed.
-Stock body was made of PA66, which is the same material used on real M4 stock.
-Will fits for Marui M4/M16 series and most M4 metal body
-Color: Black/Dark Earth/Olive Drab/Grey
Item No. Description
KA-STOCK-06-BK M16 Fixed Stock/BK
KA-STOCK-06-DE M16 Fixed Stock/DE
KA-STOCK-06-GY M16 Fixed Stock/GY
KA-STOCK-06-OD M16 Fixed Stock/OD