School me up on MR556A1 Upper kit compatibility.
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Thread: School me up on MR556A1 Upper kit compatibility.

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    Default School me up on MR556A1 Upper kit compatibility.

    Over the weekend I saw on IG that MR556A1 uppers were 20% off, so I jumped on it and bought one. I know my way around an AR, but I’m a total noob in regards to HK long guns. I know that only certain triggers are compatible with this upper. Do you guys recommend any specific brands or models? Are there any other quirks I should be aware of? Or is it pretty much plug and play like any other AR upper?

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    Not much information in that thread and what’s there is quite old. Are you saying I should have necro’d an 8 year old thread?

    Through some of my research I’ve come across the Wilson Combat TTU-M2. Has anyone used this trigger with an MR556A1 upper and a mil spec AR15 lower?

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    Check out this thread. May be of some use.
    https://www.hkpro.com/forum/hk416-hk...er-groups.html
    CK30 likes this.

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    Quote Originally Posted by CK30 View Post
    Not much information in that thread and what’s there is quite old. Are you saying I should have necro’d an 8 year old thread?

    Through some of my research I’ve come across the Wilson Combat TTU-M2. Has anyone used this trigger with an MR556A1 upper and a mil spec AR15 lower?
    If you do a Google search you can find all the information you need.

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    ^^^what he said^^^

    The search function is your friend young grasshopper!

    The good lord helps those who help themselves...
    "Just because you're paranoid doesn’t mean they're not after you!"

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