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Caliber
5.56x45 (5.56 NATO)
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Calibers:
5.56x45 (5.56 NATO)
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LMT Lewis Machine Tool MARS-L 5.56 QUAD MARS-LS...
Daniel Defense DD4 RIS II M4A1 556 Nato Arid Ca...
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FightLite Industries MCR 556 Nato Belt-Fed Uppe...
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FightLite Industries MCR 556 Nato Belt-Fed Uppe...
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Used LWRC M6IC-SPR 556 Nato 14.7" Barrel Geiss...
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Used Geissele URG-I Near Clone 556 Nato 14.5" P...
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Knights Armament SR15 CQB Complete Upper 11.5" ...
Sig Sauer MCX Spear 556 Nato 16" Barrel RMCX-55...
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CMMG RESOLUTE 100 AR-15 UPPER 5.56 NATO 16.1" B...
Noveske Gen 3 Afghan 556 Nato 14.5" Barrel MLok...
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Used Daniel Defense M4A1 556 Nato MILSPEC+ W/ V...
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Used Daniel Defense M4A1 SOCOM FDE 556 Nato W/ ...
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