HK 416 factory full auto complete bolt group new in the HK wrapper. Will not work with an unmodified MR556 barrel/barrel extension. Parts related to the HK416 and MR556 bolt carrier group.
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Find premium HK MR556/416 Bolt Carrier Groups for your firearm at HK Parts. Huge selection, reliable quality, and options for fast U.S. delivery.. Unintentional release of the bolt catch lever is prevented by the protection barrier of the receiver design. The HK416's over-the-beach capability enables specialised forces to conduct tactical maritime operations without restriction. This is because the HK416 can be fired immediately after surfacing from the water, if necessary.
