Heckler & Koch MR556 5.56 16.5" MLOK Upper Receiver Kit 81000584 - (UPC 642230262607)

H&K 81000584 upper: heckler koch mr556 5.56 16.5 mlok upper receiver kit 81000584. MR556 MLOK Upper Kit / Heckler & Koch – 81000584.

H&K 81000584 Features

• 5.56 NATO 16.5" CHF Barrel: Free float MLOK rail.
• Monolithic Upper Receiver: Ambi charging handle ready.
• Short Stroke Piston: Reliable suppressed full auto rated.
• Handguard Slim MLOK: Accessories modular lightweight.
• AR15 Compatible
• HK German Eng
• Precision Groups
• 81000584

Heckler & Koch MR556 5.56mm 16.5 Inch MLOK Upper Kit 81000584: Upper Supreme

81000584 h&k supreme – upper supreme. "HECKLER & KOCH MR556 5.56 16.5 MLOK UPPER RECEIVER KIT 81000584 boss!" bosses rifle. Heckler & Koch boss.

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Upper Specs