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  1. #1
    Canadian ForcesMember Grizz's Avatar
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    Derya MK-12 Cycling problem

    Anyone have any issues with their Derya MK-12 cycling a new round into the chamber after shooting? Went out for the first time today and it was basically a single shot!!! I would load a 5 round mag, shoot, click, re-cock, shoot and repeat.

    I am thinking it is likely the Winchester AA light target loads 2/34 # 9 just being too light to completely strip another round but you never know if itís working in someone elseís gun without asking.....and thoughts???

    Cheers


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  2. The Following User Liked This Post By Grizz

    10-64 (09-27-2018)

  3. #2
    Senior Member Sinbad's Avatar
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    Quote Originally Posted by Grizz View Post
    Anyone have any issues with their Derya MK-12 cycling a new round into the chamber after shooting? Went out for the first time today and it was basically a single shot!!! I would load a 5 round mag, shoot, click, re-cock, shoot and repeat.

    I am thinking it is likely the Winchester AA light target loads 2/34 # 9 just being too light to completely strip another round but you never know if itís working in someone elseís gun without asking.....and thoughts???

    Cheers


    Sent from my iPhone using Tapatalk
    Think you nailed right there, none of those semi auto Turkish shotguns like light loads. You have to break them in with heavier loads.

    It's not just the Turkish ones that fail with light loads either. I know the Puma hates them also

  4. #3
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    I've been told you need to run about 100 rounds of heavy stuff through them to break them in before running lighter loads. After that you should be all good.

  5. #4
    Canadian ForcesMember Grizz's Avatar
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    Good to know.....maybe Iíll knock that out tomorrow 😎


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    jfriedrich19 (11-07-2017)

  7. #5
    Senior Member DanN's Avatar
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    I was having issue with the first couple mags of Federal heavy. So I ran 3 3" mag slugs and 2 3" mag 00, and it started to behave itself. The next 15 rounds all cycled perfectly.

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    I don't have a firearms problem; they all work perfectly well.
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  8. #6
    Canadian ForcesMember Grizz's Avatar
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    Derya MK-12 Cycling problem

    Quote Originally Posted by DanN View Post
    I was having issue with the first couple mags of Federal heavy. So I ran 3 3" mag slugs and 2 3" mag 00, and it started to behave itself. The next 15 rounds all cycled perfectly.

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    What choke did you use? So far Iíve only used the one that came installed

    Also, I assume that is 3 mag fulls as apposed to just 3 rounds of each?


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  9. #7
    Senior Member DanN's Avatar
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    Quote Originally Posted by Grizz View Post
    What choke did you use? So far Iíve only used the one that came installed

    Also, I assume that is 3 mag fulls as apposed to just 3 rounds of each?


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    I switched out to the cyl choke (5 notches). The manual says not to run slugs in either of the other 2 chokes.



    That was one mag, 5 rounds of magnums. Then everything was smooth.

    Sent from my Pixel using Tapatalk
    I don't have a firearms problem; they all work perfectly well.
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    Govít couldnít make sense if you gave them a recipe.

  10. The Following User Liked This Post By DanN

    10-64 (09-26-2018)

  11. #8
    Canadian ForcesMember Grizz's Avatar
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    Quote Originally Posted by DanN View Post
    I switched out to the cyl choke (5 notches). The manual says not to run slugs in either of the other 2 chokes.



    That was one mag, 5 rounds of magnums. Then everything was smooth.

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    Thanks!!!! I think thatís whatís in it now. If that was only one cycle of magnums then Iíll definitely break it in tomorrow.

    Too bad about the light loads though, I was given 2 cases of them and had hoped to use them


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  12. #9
    Senior Member DanN's Avatar
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    Quote Originally Posted by Grizz View Post
    Thanks!!!! I think thatís whatís in it now. If that was only one cycle of magnums then Iíll definitely break it in tomorrow.

    Too bad about the light loads though, I was given 2 cases of them and had hoped to use them


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    I think there's a good chance that it'll eat them once it's broken in.

    Sent from my Pixel using Tapatalk
    I don't have a firearms problem; they all work perfectly well.
    Membership: CCFR, SAF&G
    Govít couldnít make sense if you gave them a recipe.

  13. #10
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    Sorely disappointed with the performance on the Derya MK12. I have had issues with it from the start. I purchased this for myself as a Christmas present, and it came via Canada Post quite quickly despite the time of year. I had a friend make me up several inert shells, and had difficulty even loading the magazines with inert shells for testing purposes. I found the magazines extremely stiff and almost impossible to load the 5th round in. I have left the magazines loaded with the inert shells, to try and relieve some tension on the springs since receiving the shotgun to no avail. Come range day (finally), the shotgun was a disappointment to run. I used two different type of shells in an attempt to see which ones would run best. I was never able to run a 5 round magazine without a failure to eject (at all), a stovepipe, or a failure to feed jam, where the incoming shell actually bent before making it into battery. The bolt release "button" is none existent and you are compelled to pull the bolt back and release to charge the shotgun (despite what you see in their videos). I tried to contact Derya only to be told to contact O'Dell Engineering who have yet to reply to either of my two e-mails. But hey, they have my money, why bother with customer service? If you are purchasing the shotgun for the range, and don't mind stripping stove pipes, and messing with jams all afternoon, by all means, buy it. If you are buying it for bear defense, buy a pump, and save your life. I may have gotten a "lemon" but they could have at least sent a gun that didn't feel like it was dropped in sand at the factory! I have the feeling I was sent someone else's problem child.

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