Geissele HK MR 556 Trigger Enhance your HK 556 or semi-auto HK 416 with the precision-engineered Geissele HK MR 556 trigger. Similar to our renowned SSA Trigger, this drop-in upgrade offers: Improved accuracy Smoother pull Faster follow-up shots Compatible with HK 556 and semi-auto HK 416 Elevate your shooting experience with Geissele’s exceptional craftsmanship.
