Brenneke K.O. 20 Gauge 3/4 oz 2 3/4in Centerfire Shotgun Ammo 5 Rounds. O. 20 Gauge 2.75" 3/4 oz Slug Shot 5 Bx/ 50 Cs - K.O. are shutgun slugs with a punch. The same exceptional knockdown power that distinguishes every Brenneke slug is built into the K.O. making it an ideal deer load with superb accuracy at medium ranges. The K.O. 20 gauge has a flat trajectory dropping only 1.6 inches between 25 and 100 yards. Specifications for Brenneke K.O. 20 Gauge 3/4 oz 2 3/4" Shotgun Ammunition: Manufacturer: Brenneke Gauge: 20 Number of Rounds: 5 Shot Size: Slug Shell Length: 2 3/4 in Muzzle Velocity: 1476 ft/s Application: Hunting Shotgun Shot Weight: 3/4 oz Shot Material: Lead Primer Style: Centerfire Muzzle Energy: 1603 ft-lbs Cartridge Case Material: Plastic Brass Lead Free: No What is Brenneke K.O. 20 Gauge 3/4 oz 2 3/4" Shotgun Ammunition good for? The manufacturer thinks that it is suitable for hunting.Brenneke SL202KO: K.O. 20 Gauge 3/4 oz 2 3/4in Centerfire Shotgun Ammo 5 Rounds