The HK MR556 20RD magazine is built for MR556 series rifles chambered in 5.56mm NATO/.223 Remington. It’s a reliable 20-round option designed to feed and function correctly with the MR556 magazine system.

Key features

• 20-round capacity for controlled, dependable shooting sessions
• Designed specifically for HK MR556 series rifles
• Works with 5.56mm NATO and .223 Remington chamberings

Add a spare 20-round magazine to keep your MR556 ready for range day and training.