HK

HK HK UPPER MR556A4 5.56 11" BLK

Product Code : 642230270220

$2,179.00

Mfg Item #: 51000385

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Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/556NATO, 11" 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 51000385

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HK

HK HK UPPER MR556A4 5.56 11" BLK

Product Code : 642230270220

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HK

HK HK UPPER MR556A4 5.56 11" BLK

Product Code : 642230270220

Would you like to be notified when this item is back in stock?

Determined at checkout.

Some US states prohibit perceived advertising or marketing of firearm related products to persons under 18 years of age.

Please verify that you are at least 18 years of age.