Brenneke TKO 12 Gauge 2/3 oz 2.75in Centerfire Shotgun Slug Ammo 5 Rounds Sl122Tko. 75" 2/3 oz 5 Bx/ 50 Cs - Brenneke's revolutionary TKO (Tin KnockOut) shotgun sabot is the worlds first lead-free slug designed for use in both smoothbore and rifled barrels using any choke. It provides outstanding penetration stopping power accuracy velocity and energy yet is completely safe for you and other living creatures. Specifications for Brenneke TKO 12 Gauge 2/3 oz 2.75" Centerfire Shotgun Slug Ammunition: Manufacturer: Brenneke Gauge: 12 Number of Rounds: 5 Shell Length: 2 3/4 in Muzzle Velocity: 2100 ft/s Application: Hunting Primer Style: Centerfire Shotgun Shot Weight: 1/3 oz What is Brenneke TKO 12 Gauge 2/3 oz 2.75" Centerfire Shotgun Slug Ammunition good for? The manufacturer suggests that it is best for hunting.Brenneke SL122TKO: TKO 12 Gauge 2/3 oz 2.75in Centerfire Shotgun Slug Ammo 5 Rounds