PEORIA, Ariz – Apex Tactical Specialties, the leading manufacturer of aftermarket dropin firearms parts, announces available Apex upgrades for the new M&P M from Smith & Wesson "We've been working with the new M&P M pistol and are pleased to announce that several of our existing parts designed for the M&P are compatible in the new M&P M, in 9mm and 40S&W,
