Re: S/W M&P 15/22
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??
What are you gonna do, talk the alien to death? -- (on Sigourney Weaver's worry about Guns in Aliens)
"Safety is something that happens between your ears, not something you hold in your hands."
"I carry a small gun to compensate for my huge Blue press."