looking at a 10.4 upper but want some advice please
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Thread: looking at a 10.4 upper but want some advice please

  1. #1
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    Darcwolf73's Avatar
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    Default looking at a 10.4 upper but want some advice please

    Hey guys i need a little advice here, please. can i run a Surefire Mini Monster 5.56 Suppressor on a converted 10.4 MR 55.6 upper safely . i am seeing on HK parts that its saying *Should not be used with a suppressor, unless it is a zero pressure suppressor* on that length barrel

    Thank you,
    Jason
    My HK Gun List and Clones

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  2. #2
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    InshallahTech's Avatar
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    The HKParts barrels have excessive sized gas ports to allow the use of every kind of **** ammunition you can think of. I wouldn't run that upper with any kind of can. Surefires do tend to have much less back pressure, but there still is some.

  3. #3
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    MSOGDAWG's Avatar
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    Quote Originally Posted by InshallahTech View Post
    The HKParts barrels have excessive sized gas ports to allow the use of every kind of **** ammunition you can think of. I wouldn't run that upper with any kind of can. Surefires do tend to have much less back pressure, but there still is some.
    I am learning as I go through this gas block, gas port thing myself. The HKParts barrels have a gas port diameter of .088ish and thats pretty large. I have two of these barrels and both are 10.4s I put them in spare uppers and bought a Surefire Warden for them. I now call them my loud guns. I have another barrel being cut and the gas port being worked and tuned in order to shoot suppressed. I wont out the guy working on it only to keep him from being hounded....that being said, what I mean is if he wants to tell you who he is and he reads this thread I am respectfully reserving him the right to put himself out there. Not that I dont want to help....just dont want to cause the fine fellow any headache.
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    well i was looking at MR 5.56 barrel being sold but i think i found a good deal on a 10.4 mr 5.56 already cut down complete upper with a surefire brake already on it .. i figure if it doesn't work well suppressed then i can send it to someone that knows how to work on them and just do it that way.. i think i can save several hundred doing it like this over buying all the parts seperate

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