HECKLER & KOCH MR556 5.56 16.5 MLOK UPPER RECEIVER KIT 81000584

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 CompatibleHK German EngPrecision Groups81000584 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. H&K MR556 Upper MLOK H&K 81000584 mr556 556 mlok upper, hk mr556 upper receiver kit, 81000584 hk, mr556 16.5 mlok 5.56. Upper Specs Cal / Barrel / Rail5.56 / 16.5" / MLOK Type / BrandUpper Receiver Kit / HK Model81000584 The End