Home / hide-from-search / HK MR556 16in Factory Barrel Used Sale! HK MR556 16in Factory Barrel Used$89900 $69900 SKU: BBLHKMR762-1 Category: hide-from-search Tags: 416, 416A5, MR556 Product ID: 5749 MR556 factory barrel, used good condition. 5.56mm ( barrel shown is 308/MR762 but you will receive the 5.56 barrel ) Product is out of stock Notify me when this product is back. Please enter a valid email! Subscribe Additional information Additional information Weight 40 oz Dimensions 17 × 2 × 2 in Manufacturer HK 922r Qualifying Part YES – Foreign Related products Out of stock Sale! HK 416 Factory Full Auto Complete Bolt Group New $1,69900 $1,49900 Out of stock HK 416C Style Short Quad Rail Foregrip Handguard Black $17900 Out of stock Tan Polymer Selector Set 416A5 417 G28 RAL8000 $9900 Out of stock Sale! HK 416A5/MR223 Factory Tan/RAL8000 Stripped Upper Receiver From: $99900 $89900