Hurricane Butterfly Special Import Project HB-HK416 Semi-Auto Pistol 5.56x45mm, 10.4″ Barrel HK416 Semi-Auto Pistol Hurricane Butterfly Imported 5.56 x 45 mm 10.4″ Barrel – HB-HK416Hurricane Butterfly is proud to import and introduce to the US commercial market the legendary HK416 in an extremely limited semi-auto pistol configuration.

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