This HK magazine (mfr. part no. 235642S) holds 10 rounds of .223 Remington/5.56 NATO and is built for the HK MR556 rifle. Because it uses NATO-standard 5.56mm magazine geometry, it can also be used in any M16/M4/AR-15-type weapon that accepts a NATO-standard 5.56mm magazine.

Key Specifications

• Holds 10 rounds of .223 Remington/5.56 NATO.
• Built for the HK MR556 rifle.
• Also works in any M16/M4/AR-15-type weapon that accepts a NATO-standard 5.56mm magazine.
• Constructed of steel with a special anti-friction maritime surface finish.
• Uses an advanced spring material for reliable feeding.
• Built to tight production tolerances for a precise fit.
• Weighs approximately 0.32 lb.
• Ships as a single (1) magazine.
• Manufactured by Heckler & Koch / H&K.

Frequently Asked Questions

Will this magazine only work in HK rifles?

No, its NATO-standard 5.56mm geometry lets it work in any M16/M4/AR-15-type weapon that accepts a NATO-standard 5.56mm magazine, in addition to the MR556.

What is unique about this magazine’s finish?

It uses a special anti-friction maritime surface finish for corrosion resistance and smooth feeding.

Buy the HK MR556 10-Round Magazine – NATO Steel

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