Buffalo Bore Ammunition Heavy 40 S&W +P 180 Gr Jacketed Hollow Point JH. More than 90 percent of all human shootings in the USA happen in low light and you don't want to be blind after you fire one shot in a life threatening high stress situation. Specifications for Buffalo Bore Ammunition 23B/20 Heavy 40 S&W +P 180 Gr Jacketed Hollow Point (JH: Manufacturer: Buffalo Bore Ammunition Caliber: .40 S&W Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 180 grain Cartridge Case Material: Brass Muzzle Velocity: 1100 ft/s Application: Protection Primer Style: Centerfire What is Buffalo Bore Ammunition 23B/20 Heavy 40 S&W +P 180 Gr Jacketed Hollow Point (JH good for? The manufacturer suggests that it is suitable for protection.