KA-SK-44
http://www.kingarms.com/product_detail.php?id=3040
Full steel Upper & Lower Receivers with Military grade QBQ black surfacing finishing. Helps a lot in enhancing durability. It also improves the original plastic receivers' material and the handling feel.
Kit contents include steel upper and lower receiver.
They can be installed in the KWA/KSC M11 series without modification.
| Length | L: 55 W: 170 H: 28mm/L: 140 W: 185 H: 32mm |
| Weight | 195/375 g |
| Main Material | Steel |
| Major Color | Black |
| Accessories come with package | upper and lower receivers |