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HK MR556 Trigger - Geissele

SKU: HKP-16464
HK MR556 Trigger- Geissele-

The HK MR556 trigger is similar to our SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. This is the finest trigger you can get for the HK MR556. A great upgrade for your HK rifle.

Each Trigger comes with full installation instructions and the lubricant you will need for installation.

PleaseNote: After installing the MR556 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.

Condition: New
MPN: #05-220
Price: $459.95$465.00
In Stock
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HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
HK MR556 Trigger - Geissele
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Product Reviews

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"Enhanced Trigger"

Jeffery Horvat on 7/6/2018 4:17:50 PMVerified


Order Fulfillment:


Desired Compatibility:


MR556

Product Quality:


Overall Product Rating:


Great upgrade!


"Really nice trigger."

Dan on 4/22/2016 11:20:20 PM

Overall Product Rating:


I bought a MR556 upper and had a single stage trigger with it. While it worked, I wanted something designed for the MR556 upper and decided to get the Geissele trigger. It should be noted that you can indeed toss this on a AR15 lower. I put it on a Noveske lower with a MR556A1 upper and managed to get it working fine. I am familiar with Geissele's SSA-E/SD-E and really like them. This trigger behaves similarly to that line up. Very nice trigger and very fun to shoot with the MR556. Overall it wo... More details