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  1. #11
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    Default MR762 Overgassed?

    @mew , when my SureFire SOCOM 762 RC2 clears jail next December, I’ll let you know how mine shoots with and without the gas blocked opened.

    I believe @hamster37 has no issues with his 762 shooting suppressed and I think he cut his barrel to a shorty. I believe he uses a SureFire SOCOM 762 RC. Sorry, I actually mistook hamster for @Drooler .


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    Last edited by RegularGuy461969; 11-12-2017 at 10:43 PM.
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  2. #12
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    great please do, my OSS should clear in Mar. or April 18 "I hope", how did you get an adjustable GB on your MR? and I do love the SF Socom supressors.......
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    I don’t think the issue is that the rifle is “overgassed”, but rather you personally prefer a softer shooting rifle with much lighter recoil impulse.

    Remember, H&K didn’t make this rifle just for you, unfortunately. They made it for many end users who shoot in many different conditions with many different grades and configurations of ammunition with varying levels of commitment to cleaning and maintenance.

    Good luck with finding the right buffer/spring combo to mitigate the recoil impulse.


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    Imho the gas piston is to blame. They cycle a bit more violent, especially if you are used to something with an adjustable gasblock like an AR or FAL. You're just feeling some Deutsche gründlichkeit, nothing to worry about.
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    Default MR762 Overgassed?

    Quote Originally Posted by mew View Post
    great please do, my OSS should clear in Mar. or April 18 "I hope", how did you get an adjustable GB on your MR? and I do love the SF Socom supressors.......
    I came across a T&E 12” 417 barrel with an early stage AGB a few years back, there are a handfull out there in the wild. I paid a small fortune for it but it fit the bill so out the window the money went.

    If you have an OSS I don’t think you’re going to have any issues without an AGB. The gas flows out the front of the OSS and should alleviate excessive gassing/cycling.


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    Last edited by RegularGuy461969; 11-23-2017 at 05:39 PM.

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    Quote Originally Posted by hauptfeldwebel View Post
    Imho the gas piston is to blame. They cycle a bit more violent, especially if you are used to something with an adjustable gasblock like an AR or FAL. You're just feeling some Deutsche gründlichkeit, nothing to worry about.
    Agreed, that's why they should all come with an AGB.

  8. #17
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    RegularGuy461969
    If you have an OSS I don’t think you’re going to have any issues without a AGB. The gas flows out the front of the OSS and should alleviate excessive gassing/cycling.




    Nice score!! I'm aware about the OSS concept and I'm sure it will be great, but would love to have that AGB none the less.
    Last edited by mew; 11-13-2017 at 12:39 PM.

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    Quote Originally Posted by RegularGuy461969 View Post
    @mew , when my SureFire SOCOM 762 RC2 clears jail next December, I’ll let you know how mine shoots with and without the gas blocked opened.

    I believe @hamster37 has no issues with his 762 shooting suppressed and I think he cut his barrel to a shorty. I believe he uses a SureFire SOCOM 762 RC. Sorry, I actually mistook hamster for @Drooler .

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    I have two MR762s. Both with SureFire SOCOM762 suppressors.

    On my “regular” length MR762, I match it with the regular length SF suppressor

    On the 13” chop down MR762, I have the shorty SF762 suppressor.

    No issues with both when suppressed. The shorty suffers from cycling issues without a suppressor on it, but that is a separate issue. Need to either get a gas block customized for HK417 SBR

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    @Drooler , I think you faded out on your last sentence. What is your second option besides getting a custom gas block?


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    Quote Originally Posted by RegularGuy461969 View Post
    @Drooler , I think you faded out on your last sentence. What is your second option besides getting a custom gas block?
    Ha. Good catch. I tend to fade a lot these days with work going nuts.

    I think the options are:
    A. A gas block specifically designed for the 13" HK417
    B. Different buffer and spring set-up

    For point B, I assume it will be the opposite solution of the older HK416 10.4" with NON-vented gas blocks (and higher cyclic rate and a heaver buffer is advised).

    I dunno... Get a lighter buffer????

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