View Full Version : m&p 15-22 question.
07-22-2010, 11:56 PM
If i were to buy one of these could i get an upper with a bigger caliber and swap it?
07-23-2010, 12:06 AM
No. It does not use a standard mil-spec lower receiver. If you wanted to switch from .22 to 223 you would either need a standard Lower with both a .22 and 223 upper; or a 223 upper with a .22 conversion kit.
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