MR762 Overgassed?
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Thread: MR762 Overgassed?

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    mew
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    Default MR762 Overgassed?

    My first range time on my MR left me with the feeling it is overgassed. I did start out with the slimline stock so that could be an issue will try the standard next outing but, anyone try a different buffer spring or is a standard AR 10 Spring a no go on the MR? I'm no stranger to 7.62 recoil as I have many just curious what other MR owners think.
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    What may feel like overgassing may be by design to ensure reliable operation. I doubt a company like HK would create a weapon that is overgassed to a fault that would require aftermarket springs.
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    I’ve never considered mine over gassed.


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    Of course felt recoil and reliable operation are a consideration but the lack of an adjustable gas block is an issue as I have read HK itself says that suppressed use may cause issues with anything but the OSS system which I have pending ATF that's why I'm asking. My question is will a standard spring fit as I know the buffer itself is proprietary. I have no doubt it is slightly over gassed as are most .308 gassers regardless of mfg. without adjustable GB.

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    I never thought my was over-gassed.

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    What other 308 platforms have you shot?

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    Why do you think it is over gassed?
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    How would using the slimline stock instead of the standard stock make any difference whether the gun is overgassed or not?

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    Quote Originally Posted by mew View Post
    My first range time on my MR left me with the feeling it is overgassed. I did start out with the slimline stock so that could be an issue will try the standard next outing but, anyone try a different buffer spring or is a standard AR 10 Spring a no go on the MR? I'm no stranger to 7.62 recoil as I have many just curious what other MR owners think.
    When's you get the feeling it's overpassed, how are you gauging that? Ejection or feeling or some other way?

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    Felt recoil, the standard buttstock is heavier with a thicker butt pad. This MR is comparable to my AR10 Tac16 with a wide open factory setting on the gas block, once tuned it tames it down quite a bit. It surely needs an adjustable GB that's not really the question but will a standard AR10 buffer spring work which obviously nobody seems to know. I expect it won't. People who shoot their rifles suppressed want to be able to adjust the gas flow, this isn't conjecture but fact.

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