HK MR 556 Trigger
The HK MR 556 trigger is similar to our SSA Trigger and can be used in both the HK 556 and semi-auto HK 416's.
HK MR 556 Trigger Specification
| Type: | 2 Stage |
| 1st Stage Weight: | 2.75 - 3.0 lbs. |
| 2nd Stage Weight: | 1.5 - 1.75 lbs. |
| Total Pull Weight: | 4.25 - 4.75 lbs. |
| Adjustable: | No |
| Pin Size: | Mil-Spec |
All weights are approximates.
Geissele Automatics two stage trigger for the HK MR 556 rifle
HK MR 556 Trigger Notes
After installing the MR 556 trigger you must cock the hammer in order to engage the safety unlike the HK trigger system where you can place the selector on Safe with the hammer forward.
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