50rds 38 Special Black Hills 148gr. Hollow Base Wadcutter Ammo For Sale. This factory-fresh, non-corrosive Black Hills.38 Special ammo is ideal for paper targets since it is new and non-corrosive. These rounds’ 148-grain wadcutter projectiles create near-perfect holes for simple scoring. Each bullet has a steady muzzle velocity of 700 feet per second and muzzle energy of 161 foot-pounds. This ammo is boxer-primed and boasts high-quality, completely reloadable brass casings. Black Hills, a relative newcomer to the market, is quickly becoming one of the most popular ammunition makers in the United States. Black Hills Ammunition is a popular brand among hunters and competitive shooters around the nation. It is largely used by the nation’s armed forces. This ammo is sold in boxes of fifty rounds.