Geissele Automatics HK MR 556 2-STAGE TRIGGER FOR HK556 & HK416 05-220

The HK MR 556 Trigger is similar to the Geissele SSA trigger with a 4.5lb total pull weight. It can be used in both the HK 556 and sem-auto HK 416's. A 2-stage, non-adjustable standard M4 curved trigger.