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Thread: Zenith Z5 Rifle - Should I buy one?

  1. #21
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    Regarding the Zenith 9mm's and 5.56 HK style rifles, can they take HK full auto trigger packs without modification? The trigger packs are $30k+, but I'd be more willing to toss down that kind of money if the less expensive Zeniths could be used.

  2. #22
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    Quote Originally Posted by Bret View Post
    Regarding the Zenith 9mm's and 5.56 HK style rifles, can they take HK full auto trigger packs without modification? The trigger packs are $30k+, but I'd be more willing to toss down that kind of money if the less expensive Zeniths could be used.
    From what I understand the actual trigger housing has to be specific to the model of HK type rifle/sub you are using. So a Zenith or newer production SP5K would have it's own unique housing cuts versus an older 90 series with the semi-shelf. However a registered trigger pack itself if it's cut for the older 90's style semi-shelf will fit any of them.

  3. #23
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    Quote Originally Posted by Bret View Post
    Regarding the Zenith 9mm's and 5.56 HK style rifles, can they take HK full auto trigger packs without modification? The trigger packs are $30k+, but I'd be more willing to toss down that kind of money if the less expensive Zeniths could be used.
    No. The zenith has a rear block that prevents a full auto bolt carrier. A transferable trigger pack is going to be modified in the front to clear the semi auto shelf that the HK semi auto guns had as well.

    My understanding is the people that have converted the guns to run with a transferable pack they get a shelf welded in the front converting it to a single push pin lower design and then remove the rear block in the receiver. Pretty much they convert them to the way hk handled the semi auto guns.

    The PTR guns are setup like HK ones and will take a transferable pack without the mods. Same with most other clones.

  4. #24
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    So I just hit up an indoor range and shot out to 25 yards. 150 rounds of MEN and no malfunctions. My impressions:

    - Very little recoil. Follow up shots were easy
    - No gas blow back to the face but even with German MEN NATO ammo it was still a smokey affair
    - MKE and German HK mags worked fine
    - The trigger could be improved but itís livable. I may send the lower to Zenith for a trigger job
    - I am not a fan of the safety/selector or the pistol grip. The ARís is better. Perhaps I can get a different style lower and grip on HK Parts
    - I wish I had an extended handguard so I can get my support hand out farther
    - It is a very accurate little carbine. Zenith zeroed the rifle so i did not need to adjust anything.
    - The fixed A2 stock is fine with diopter sights but I wish it was collapsible to adjust for LOP

    So I think Iíll keep her and ask some more questions here and on HK Pro. Whenever I get time to go to my gun club, Iíll set up some barrels and IDPA targets and compare it to my CMMG Mk9T. I hate to say it, but the ergonomics of the AR beats the MP5 hands down.

  5. #25
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    Quote Originally Posted by ccosby View Post
    No. The zenith has a rear block that prevents a full auto bolt carrier. A transferable trigger pack is going to be modified in the front to clear the semi auto shelf that the HK semi auto guns had as well.

    My understanding is the people that have converted the guns to run with a transferable pack they get a shelf welded in the front converting it to a single push pin lower design and then remove the rear block in the receiver. Pretty much they convert them to the way hk handled the semi auto guns.

    The PTR guns are setup like HK ones and will take a transferable pack without the mods. Same with most other clones.

    A transferable trigger pack itself would generally be set up for an older 90 series wrap around semi shelf that is different on the Zenith type rifles due to the front take down pin. However a transferable trigger pack will drop into a Zenith cut trigger housing without issue. The legal issues arise when you need to legally remove the full auto carrier block on the Zenith because it requires that you use an HK wrap around semi-shelf. You can have a full auto bolt carrier block in the receiver itself with the forward take down pin as the Zenith's are imported or an HK wrap around semi-shelf with the carrier block removed. Can't have both a front take down pin and carrier block removed on the same weapon otherwise it's considered an unregistered NFA weapon in and of itself.
    Last edited by 7n6; 05-26-18 at 22:18.

  6. #26
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    I own one, love it, waiting on my SBR stamp. I through a T2 on mine and its a nice gun.

    PB
    "Air Force / Policeman / Fireman / Man of God / Friend of mine / R.I.P. Steve Lamy"

  7. #27
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    The MKE grip housings have lumps on the bottom of the trigger pocket that match up to cuts on the bottom of the MKE trigger pack, which prevents a non-MKE trigger pack from working in an MKE grip housing. FYI.

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