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Mr556 Upper
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WTS: SOLD MR556 A1 Upper Receiver Kit - Like New
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WTS: Hk mr556 upper receiver
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MR556A1 - Upper Receiver Kit - Heckler & Koch
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WTS: SOLD MR556 A1 Upper Receiver Kit - Like New
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WTS: SOLD MR556 A1 Upper Receiver Kit - Like New
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HECKLER & KOCH BLEMISHED HK416, MR556 UPPER RECEIVER | Brownells
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HECKLER & KOCH BLEMISHED HK416, MR556 UPPER RECEIVER | Brownells
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Sold MR556 Upper BI
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H & K MR556 Upper for Rifle for sale at Gunsamerica.com: 996011359
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WTS: Hk MR556 A1 Upper $1250 shipped SOLD
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Heckler and Koch CONSIGNED HK MR556 Upper 5.56x45mm NATO MR556 Upper
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Heckler and Koch CONSIGNED HK MR556 Upper 5.56x45mm NATO MR556 Upper
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MR556 upper 14.5 Pinned and Welded Griffin Flashcomp | HKPRO Forums
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Hk MR556 upper cut to 11.5”
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WTS: SOLD MR556 A1 Upper Receiver Kit - Like New
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