Find Smith and Wesson M&P firearms for sale on Gunprime. Smith and Wesson's line of modern sporting handguns and rifles, the M&P sub-brand has quickly made a name for itself as a line of high-quality and affordable firearms. Both their M&P 15 line of rifles and their M&P pistols have seen widespread adoption by police forces across the US, while their line of .22 caliber rifles and handguns are a great way to introduce new shooters to the handling of modern firearms.