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Thread: New 7.62 MG - HK 121

  1. #16
    Member pmj's Avatar
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    @ Andreas: I would like to know the specs as well but none have surfaced so far. The gun was built to compete with MG's like the FN MAG / M240 - so I guess it won't be superlight since it must be able to handle a high volume of fire and still have long service life with no parts breakages. HK has learned quite a lot about mgs in recent years (MG4, UK gpmg ) - so I guess we can assume it's just as reliable (or more) as the competition.

  2. #17
    Sheep Whisperer ayanami_tard's Avatar
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    this guns makes rambo-ing possible

    M60 is nice i know,but...

  3. #18
    Sapporo Snow Bunny budgie's Avatar
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    Looks a lot like the FNs

  4. #19
    Senior Member trunk_munkey28's Avatar
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    Is this supposed to be a GPMG o a 7.62 LMG, like the Mk. 48?

  5. #20
    fubar Ubar's Avatar
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    Read the first post...

    Quote Originally Posted by pmj View Post
    The HK 121 is scheduled to replace the aging Rheinmetall MG3 for both mounted and dismounted use in the German Army.

  6. #21
    Member pmj's Avatar
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    Quote Originally Posted by trunk_munkey28 View Post
    Is this supposed to be a GPMG o a 7.62 LMG, like the Mk. 48?
    In the beginning there was some talk that HK and the Bundeswehr considered designing a true 7.62 LMG for dismounted infantry ala' PKM / Pecheng (all rumors mind you ). Eventually the Bundeswehr wanted a real bullet-hose - so far there is no info on how much the HK 121 wheighs. That would answer some questions about how this gun would / could be used.

  7. #22
    Daddy's little boy RSone's Avatar
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    Is this a evolution of the MG 4? For some reason, they seem rather similar to me in outward appearance.

  8. #23
    Member pmj's Avatar
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    Quote Originally Posted by RSone View Post
    Is this a evolution of the MG 4? For some reason, they seem rather similar to me in outward appearance.
    So far noone knows what's under that hood, but my personal uneducated guess is that the HK 121 is more than just an upscaled MG4. I guess the action could be similar.

  9. #24
    Riot Controller variable's Avatar
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    What will be the official Bundeswehr designation? MG5?

  10. #25
    Senior Member REMOV's Avatar
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    Quote Originally Posted by pmj View Post
    Back to the HK 121: all I know is that the mg is supposed to be lighter than the MG3 - maybe someone with more background knowledge like Remov has more substantial data
    AFAIK the weight of the prototype shown in Hammelburg was 10,8 kg.

  11. #26
    Member pmj's Avatar
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    Quote Originally Posted by REMOV View Post
    AFAIK the weight of the prototype shown in Hammelburg was 10,8 kg.

    Ahhh thank you!

    10,8 kg - pretty much the same weight as the M240. It seems HK is trying to compete against the FN Mag / M240 rather than the Mk 48. It makes sense with both the UK and France looking to replace their old GPMG's.
    Maybe they'll build a lighter PKM-style gun someday....

  12. #27
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    There was also some speculation that it could be similar to the MAG internally, since HK got the contract from the UK MOD to make them.

    I guess time will tell.

  13. #28
    Senior Member REMOV's Avatar
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    Quote Originally Posted by ancientgrump View Post
    There was also some speculation that it could be similar to the MAG internally, since HK got the contract from the UK MOD to make them.
    There is not. The MAG design is well known from mid 1950s, so the H&K has a half of century to learn about it, not the last few years, when then started to manufacture the GPMG

  14. #29
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    I haven't seen any internals photos of the HK 121, so it's pure speculation on my part what the beast's guts look like. The weight at least would be consistent with some sort of rear locking system.

    In any case, HK had their line of roller-locked belt fed weapons previously. Only recently have they developed any interest in copying 50 year old breech mechanisms like that of the AR-16.

  15. #30
    Senior Member REMOV's Avatar
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    Ekhm... have you ever heard about G36 or MG4? What roller-locked? Have you been frozen nearly 20 years or what? I think that you've missed one generation of weapons from Oberndorf

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