S/W M&P 15/22

Discussion in '.22-Rimfire Forum' started by AR guy, Nov 17, 2012.

  1. AR guy

    AR guy Member

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    Hey I have a sw mp 15/22 and I heard that you can convert that to shoot .223 rounds. And all you have to do is change the lower. Is that true?
  2. woolleyworm

    woolleyworm Active Member

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    A friend has one and the upper is not compatible with AR lowers. You'd spend 3x the money to try to get it to work and still probably not have something shootable. Best bet is to buy the AR and get a conversion kit for it. Not sure who you heard it from, but if he insists on telling you that it is possible, just ask him.... Now where does the buffer go??
  3. AR guy

    AR guy Member

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    It was a guy at work he wasn't sure but he did say that. That's why I was asking. It's probably cheaper just to buy a whole new rifle then. Ok thanks. Appreciate it.
  4. Maine04657

    Maine04657 New Member

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    The 15/22 is NOT a ar15. The parts are NOT interchangeable. The uppers and lowers of the 15/22 have different dimensions then a ar15 uppers and lowers. The 15/22 is made as a 22lr rifle and you would likely blow the receiver all the hell if you did manage to machine a upper that would fit it.
  5. AR guy

    AR guy Member

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    Well said. Just a thought. Not gunna do it. Thanks.
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