HK UPPER MR556A4 5.56 16.5" BLK
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$2,179.00
product code:51000384
UPC:642230270213
Brand:HK
availability: In stock
Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/556NATO, 16.5" Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384
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