Ar upper question

Ar upper question

This is a discussion on Ar upper question within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; I have a question. I have an Ar that I built myself. It has a standard lower for 223/556. Can I add a larger upper ...

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  1. #1
    Senior Member Array cuban11182's Avatar
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    Ar upper question

    I have a question. I have an Ar that I built myself. It has a standard lower for 223/556. Can I add a larger upper without having to change the lower? 308 etc?

    I dont think you can, but it doesnt hurt to ask.


  2. #2
    VIP Member Array dukalmighty's Avatar
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    Not .308 the AR10 lower is larger in some aspects,but it will accept an AR15 hammer and trigger.They do make several uppers from 7.62x39 to .50 beowulf that will attach to the AR15 lower.
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  3. #3
    Distinguished Member Array Tally XD's Avatar
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    The size of the magazine well on the AR-15 lower is one of the limitations as to caliber. If the round is physically too long to fit inside the standard magazine length then you cannot change it to that caliber.
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  4. #4
    Senior Member Array cuban11182's Avatar
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    Guess Ill just pick up a 30-30 to start hunting with. I don't see spending 700 on an upper when I can get a new gun, bullets, dies, misc reloading supplies for that!

  5. #5
    Member Array Longbow's Avatar
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    Go with a 6.8 upper, I have shot my friends and it is sweet to say the least.
    "Planning to draw and chamber a round after TSHTF is like planning to fasten your seatbelt after you see the other guy run a stopsign..."

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