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Old 12-27-2012, 09:25 PM
WU_Who WU_Who is offline
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No you can not put a .223/5.56 upper on a m&p 15-22 lower. Doing such would cause the shooter serious injury. Since the buffer tube is sealed off the bolt recoil would pretty much explode the plastic tube that is right next to your face. Plastic shrapnel in the face is no good for anyone. Hence wh:y none of the mating parts fitting together.
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