Smith & Wesson M&P 340, Double Action Only, Metal Frame Revolver, J-Frame Revolver, 357 Magnum, 1.875" Barrel, Scandium Alloy, Rubber Grips, PVD Finish, Black, XS 24/7 Tritium Night Front and Integral U-Notch Rear Sights, 5 Rounds, No Internal Lock 103072 • Double Action Only • Capacity: 5 • Finish: Black Matte • Sights: Ft: XS Sights 24/7 Tritium Rr: Fixed U-Notch • Barrel length: 1.87 Two-Piece Barrel • Overall length: 6.31 • Matte Black Stainless Steel CylinderEnclosed Hammer Scandium Alloy Frame J-Frame • Double Action Only • Capacity: 5 • Finish: Matte Black • Sights: XS 24/7 Tritium Night Sight • Barrel length: 1 7/8" • Overall length: 6.31" • 15in Free-Float MLOK Rail/ Ambi Bolt Release