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Thread: What SMG kit is easiest to convert/build as semi auto?

  1. #21
    BANNED jpglee1's Avatar
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    Im not sure why DON VITO said that my suggestion would only work for non US people??? The Sterling MK6 semi auto kit I listed

    http://www.geocities.com/psarms/Link...AMk6CBSKit.jpg

    IS CLOSED BOLT people...look closer. It has a firing pin/striker that is INSIDE the bolt assembly. This is just like on a Glock pistol, the firing pin floats in the slide but has its own spring. When the bolt is blown back, instead of it being held back by the sear (open bolt) the bolt continues back forward as the striker is held back by the sear (closed bolt) When the bolt gets all the way forward you have the striker fully compressed inside the bolt itself. When you drop the sear/pull trigger the striker is released and it runs forward, ignites the next round and the process repeats. The bolt is ALWAYS closed upon firing....

    The sterling MK6 FCG is also SEMI AUTO ONLY. It has NO provision for a sear trip for full auto. Accordingly it would be perfect for using w/a STEN to make a semi conversion. I proposed to hide the sterling FCG inside a STEN MK2/3 FCG housing (or sheetmetal cut to the same shape) and use a pull rod from the sterling trigger to the STEN trigger to keep the aesthetics as close to original as is practical. The only deviation would be the rotating safety. You could remove it and retain the original sten selector as a safety instead to block the STEN master trigger (since the original STEN sear/etc would be gone...)

    You also gotta remember that the Sterling MK6 carbine was legally sold here until the 94 AWB. It is again legal. You could buy a $200 IMA sterling kit and the above bolt/FCG and buil a semi-auto Sterling for a reasonable price (much nicer carbine than a STEN, and can use STEN or Sterling magazines). OR use the parts in a STEN, as I suggested.... Good luck and stay safe

  2. #22
    Gunco Member I am the NRA!'s Avatar
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    Quote Originally Posted by aw_frankie
    Just saw one of this babies for sell at the gun shop couple weeks ago, they want $2,000 upward for it, and it was just a semi.

    May not be a bad idea to build one.

    http://www.gunco.net/forums/attachme...tid=3918&stc=1
    YES, I MUST HAVE ONE!

  3. #23
    BANNED jpglee1's Avatar
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    Well, all you gotta do is get this stuff:

    http://www.geocities.com/psarms/Link...AMk6CBSKit.jpg

    and this:

    http://uniquecanes.com/new/item_partsets_sterling.html

    And this:

    http://www.sksparts.com/sterlingl2a3.htm

    And shake-em together ina big box...Wait long enough (bout a million years by my probability calcs) and they will magically arrange themselves into a semi-auto sterling...

    Seriously tho, there is all the stuff you need to make a LEGAL semi-auto CLOSED BOLT sterling. Just like the legal MK-6 carbines that are out there. Making a Sterling pistol is just as easy. In fact, with a little work you can rotate the mag well 90* and have a pistol that actually has some decent ergonomics. That side mag stuff is screwed

    GOOD LUCK

  4. #24
    Red Jacket Firearms's Avatar
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    I don't think anyone could go wrong with a Sterling ,to me they are the RollsRoyce of subguns . We've got a fullauto I built for a rental gun 3 or 4 years ago . It probably eats 1000 rds a month and it's NEVER had a hicup .
    Will Hayden, RedJacket Firearms
    www.Redstick-Firearms.com

  5. #25
    Not Aging Well radkoch's Avatar
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    Quote Originally Posted by John Caven
    i got the jig plans for a mac if anyone wants them. it's for the form Flat you press like an AK. just make sure you get the semi template to press.
    Where can i get one of the semi templates. sounds like a good thing to have

  6. #26
    Indian Admin Winn R's Avatar
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    If you'll check with Wildman43 on this board, he'll set you up with everything you need for a Mac kit. Top quality stuff and it works right out of the box.
    There is no nonsense so errant that it cannot be made the creed of the vast majority by adequate governmental action. -- Bertrand Russell


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  7. #27
    Happy Camper hcpookie's Avatar
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    Quote Originally Posted by Red Jacket Firearms
    I don't think anyone could go wrong with a Sterling ,to me they are the RollsRoyce of subguns . We've got a fullauto I built for a rental gun 3 or 4 years ago . It probably eats 1000 rds a month and it's NEVER had a hicup .
    That's why the storm troopers used them as laser guns long long ago in a galaxy far far away

  8. #28
    Gunco Member donvito's Avatar
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    Quote Originally Posted by jpglee1
    Im not sure why DON VITO said that my suggestion would only work for non US people??? The Sterling MK6 semi auto kit I listed

    http://www.geocities.com/psarms/Link...AMk6CBSKit.jpg

    IS CLOSED BOLT people...look closer. It has a firing pin/striker that is INSIDE the bolt assembly. This is just like on a Glock pistol, the firing pin floats in the slide but has its own spring. When the bolt is blown back, instead of it being held back by the sear (open bolt) the bolt continues back forward as the striker is held back by the sear (closed bolt) When the bolt gets all the way forward you have the striker fully compressed inside the bolt itself. When you drop the sear/pull trigger the striker is released and it runs forward, ignites the next round and the process repeats. The bolt is ALWAYS closed upon firing....

    The sterling MK6 FCG is also SEMI AUTO ONLY. It has NO provision for a sear trip for full auto. Accordingly it would be perfect for using w/a STEN to make a semi conversion. I proposed to hide the sterling FCG inside a STEN MK2/3 FCG housing (or sheetmetal cut to the same shape) and use a pull rod from the sterling trigger to the STEN trigger to keep the aesthetics as close to original as is practical. The only deviation would be the rotating safety. You could remove it and retain the original sten selector as a safety instead to block the STEN master trigger (since the original STEN sear/etc would be gone...)

    You also gotta remember that the Sterling MK6 carbine was legally sold here until the 94 AWB. It is again legal. You could buy a $200 IMA sterling kit and the above bolt/FCG and buil a semi-auto Sterling for a reasonable price (much nicer carbine than a STEN, and can use STEN or Sterling magazines). OR use the parts in a STEN, as I suggested.... Good luck and stay safe
    why would it not be legal? What receiver will you put it in? Can't use a full auto Sterling receiver... and thats what the parts are designed for... nor can you use one where full auto parts could easily be introduced. Secondly you can not exceed the foreign parts count. Third that bolt alone would be considered illegal in a semiauto because of the ammunition feed lips which protrude forward of the cartridge seat... and we're not even looking at how easily it would be to alter the function of those parts... AS IS ILLEGAL AS CAN BE!

  9. #29
    Happy Camper hcpookie's Avatar
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    Quote Originally Posted by donvito
    why would it not be legal? What receiver will you put it in? Can't use a full auto Sterling receiver... and thats what the parts are designed for... nor can you use one where full auto parts could easily be introduced. Secondly you can not exceed the foreign parts count. Third that bolt alone would be considered illegal in a semiauto because of the ammunition feed lips which protrude forward of the cartridge seat... and we're not even looking at how easily it would be to alter the function of those parts... AS IS ILLEGAL AS CAN BE!
    Before we get into a pissing match here, let's evaluate exactly what makes it "illegal as can be"... upon what basis are you making that statement? In other words, is there an ATF ruling letter that states this? See I'm not too familiar with this design so I need to have it spelled out...

  10. #30
    Gunco Member donvito's Avatar
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    Just for the reasons I posted to start with. If you want to see it from the ATF go research their website for a few days. All of the answers are there.

    You can not build a Sterling or Sten semiauto from all imported parts. You have a 10 part rule. So out of the receiver, trunions, barrel, bolt, hammer, trigger, sear, disconnector cocking handle, stock, mag body, floorplate, follower, and some items I probably left out you can only use 10... the rest need to be US made or you have assembled a firearm that otherwise is forbidden from importation and have broken the law.


    Second, those Sterling parts are designed to fit into a full auto Sterling receiver. Even if the parts only allow for semiauto operation the gun itself would still be a machinegun.

    Third the bolt incorporates forward protruding ammunition feed lips which by itself would preclude it from being used in a US legal semiauto.

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