The Model 340 M&P is the law enforcement-focused version of the 340PD, with a matte black Scandium frame, titanium cylinder, and integrated finger groove grip. Designed for plainclothes and plainclothes supplemental carry where weight is critical. The M&P designation signals LE-spec attention to finish durability. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 5 Year introduced: 2007, USA Weight: 13.3 oz Overall length: 6.375" Status: Active Intended use: concealed_carry, backup, law_enforcement