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Geissele HK MR556 a1 trigger

$465.00

The HK MR 556 trigger is similar to the SSA® Trigger and can be used in both the HK 556 and semi-auto HK 416's.

The HK MR 556 trigger is similar to the SSA® Trigger and can be used in both the HK 556 and semi-auto HK 416's.