KA-MAG-46-BK-V2
http://www.kingarms.com/product_detail.php?id=525
M4 50 Rounds Gas Blowback Magazine Version II
M4 50 Rounds Gas Blowback Magazine for King Arms and WA M4 GBB rifles.
| Size | L65 mm x W23 mm x H170 mm |
| Weight | 445 g |
| Main Material | Zinc Alloy; ABS |
| Major Color | Black |
| Capacity | 50 rds |