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Bolt Action AR15?

Discussion in 'Rifle Country' started by SharpsDressedMan, Aug 4, 2011.

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  1. SharpsDressedMan

    SharpsDressedMan member

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    For the sake of theory, if you built a rifle with a previously untitled AR-15 receiver, and built an upper that had no gas tube or gas port in the barrel, would it fit the description of a bolt action rifle? You would have to manually cycle it by pulling the bolt back, and it would have been designed and built that way from the beginning of the build.
     
  2. Cal-gun Fan

    Cal-gun Fan Member

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    Yes, it would turn it into a straight pull rifle, rather like the Swiss K-31. These are very popular over in England.
     
  3. taliv

    taliv Moderator

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    yep, and i have plans to build one like that in 300BLK. suppressed with no gas tube. straight pull. quiet, compact, light, 30rnd mag, great accessory potential
     
  4. mdThanatos

    mdThanatos Member

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    Interesting question. It would require manual cycling of the bolt in order to eject the round as well as chamber the next one. It would be a pull back design, using the charging handle and bcg correct? So it would be somewhat like a K31 where you just pull straight back. If it has no other manner of operation then I would consider it to be other than a semi-auto.
     
  5. Cal-gun Fan

    Cal-gun Fan Member

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    Yeah, just like a K-31. I've even seen some where they attach a charging handle to the bolt carrier instead of using the one at the back of the carry handle/flat top.
     
  6. wlewisiii

    wlewisiii Member

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    Given the layout of the receiver, I'd suggest that making a pump action rather than a straight pull in the classic Swiss style would be more practical.
     
  7. Cal-gun Fan

    Cal-gun Fan Member

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  8. pikid89

    pikid89 Member

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    how about the lever action ARs they make in the UK
    or perhaps that cool thumb release AR
     
  9. gotigers

    gotigers Member

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  10. Cal-gun Fan

    Cal-gun Fan Member

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    Those are certainly sweet...the single shot 50 reminds me a bit of the old Rusky PTRD 14.5 millimeter AT rifle...not sure why.
     
  11. Tirod

    Tirod Member

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    ASA left side nonreciprocating upper would do it.

    Take that concept one step further - the rear portion of the BCG is no longer needed for the extra mass, and that means having enough room for a short action spring to return it to battery. You can then delete the buffer or have any need for the buffer tube, ala some piston designs, allowing a folding stock.

    Basically, just the upper mounted to ANY stock of choice that can hold it, with a integral 5 round mag, you now have a more typical hunting rifle with assisted straight pull.

    What's the point? Aluminum receiver, barrel extension reduces weight, free floats easily, short action, top rail for mounting any scope. Using a drop in trigger and a simple mag setup, very short overall height. When you cycle the action, the bolt doesn't come back in your face, and at the end of the pull back, you just let go.

    So simple a caveman can do it. . . . .
     
  12. Zach S

    Zach S Member

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    Reminds me of the OA-93. I've only seen one, and didn't look at the internals, but that would be a good place to look for ideas.
     
  13. chrome_austex

    chrome_austex Member

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    Actually, Creedmoor Sports does sell a Tubb 2000 bolt AR competition gun.

    I've got a JP adjustable gas block on my AR, which can be closed by tightening the screw, and a side cocking upper with reciprocating handle. When I close the gas screw, it effectively works like a straight pull config.

    Its handy for retrieving your brass in slow-fire I guess, but I hardly ever use that feature.
     
  14. Howard Roark

    Howard Roark Member

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    The T2K is not based on an AR. It is a bolt gun from the ground up.
     
  15. alemonkey

    alemonkey Member

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    I see the potential for a suppressed rifle, but wouldn't a conventional AR with an adjustable gas block make more sense? You could dial the gas down to where it won't cycle if you want to be totally quiet, but still turn it up for conventional shooting.
     
  16. scythefwd

    scythefwd Member

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    Sharps - Why not just remove the gas tube and vent to the front of the rifle or just block the gas port off. Then you have a straight pull. New charging handle and your in business (something that doesn't hit you in the nose when you re charge it).
     
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