Smith & Wesson Model 640, Classic, Engraved, Double Action Only, Metal Frame Revolver, J-Frame, 357 Magnum, 2.125" Barrel, Stainless Steel, Matte Silver Finish, Wood Grips, Fixed Sights, 5 Rounds 150784 • Double Action Only • Capacity: 5 • Finish: Satin Stainless Finish • Sights: Front: Black Blade Rear: Fixed U-Notch • Barrel length: 2.125 • Overall length: 6.625Enclosed Hammer Machine Scroll Engravings J-Frame • Double Action Only • Capacity: 5 • Finish: Matte Silver • Sights: Black Blade Front Sight • Barrel length: 2 1/8" • Overall length: 6.6" • 15in Free-Float MLOK Rail/ Ambi Bolt Release