HK MR556 steel magazine designed for reliable feeding in .223 Remington / 5.56mm NATO AR15-pattern rifles. Built to the M4/M16 magazine shape, it is compatible with MR556 platforms that use standard AR15 magazines.

Key features

• AR15-pattern M4/M16 magazine form factor for straightforward fitment
• 30-round capacity for dependable range and training use
• Chambered for .223 Remington / 5.56mm NATO ammunition
• Steel construction intended for durability and consistent performance

A solid choice for keeping your MR556 and compatible AR15-pattern setup stocked with dependable capacity.