Designed specifically for the HK MR556 and semi-auto HK416 platforms, this Geissele two-stage trigger delivers precision, reliability, and a smooth pull similar to the trusted SSA® trigger.
Specifications:
Trigger Type: Two-Stage
1st Stage Pull: 2.75 – 3.0 lbs
2nd Stage Pull: 1.5 – 1.75 lbs
Total Pull Weight: 4.25 – 4.75 lbs
Adjustable: No
Pin Size: Mil-SpecAll weights are approximate
Important Compatibility Notes:This trigger is designed to function with a standard 90-degree mil-spec safety selector. Compatibility with short-throw safety selectors (as seen in the A4 series) is not confirmed.
After installation, the hammer must be cocked to engage the safety—unlike the original HK trigger system, which allows the selector to move to "Safe" with the hammer forward.
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