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ASM Rail Segment w/ 5 Slots, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556, MR762Product #: 1564850$62.97
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Barrel Nut, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1566480A$60.55
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Out of stockBarrel, 16-1/2", New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1567310$386.52Extra shipping cost of $5.00
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Bolt Catch Clamping Sleeve, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556, MR762Product #: 1567250A$9.45
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Bolt Catch, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1566740A$69.20
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Out of stockBolt Group Complete, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1567030$601.02
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Bolt Head Carrier Complete, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1566240$456.45
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Out of stockBolt Head Complete, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1566020$232.65
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Bolt, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556, MR762Product #: 1565470$48.57
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Bridge, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556, MR762Product #: 1566490$20.75
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Buffer Complete, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556Product #: 1566470A$105.50
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Buffer Detent Locking Pin Spring, New Factory OriginalFirearm Mfgr: HECKLER & KOCHFirearm Model: MR556, MR762Product #: 1566720A$9.45