Brenneke Green Lightning 12 Gauge 2.75'' 1 1/4 Oz Slug Shot. 75" 1 1/4 oz Slug Shot 5 Bx/ 50 - Green Lightning slugs are power personified with muzzle energy greater than many centerfire cartridges. You'll send a full 1-1/4 oz. slug whistling toward your target carrying massive knockdown power and penetration to anything touches. Specifications for Brenneke SL122HFSGL Green Lightning 12 Gauge 2.75" 1 1/4 Oz Slug Shot: Manufacturer: Brenneke Gauge: 12 Number of Rounds: 5 Shot Size: Slug Shell Length: 2 3/4 in Muzzle Velocity: 1476 ft/s Application: Hunting Included Accessories: None Shotgun Shot Weight: 1 1/4 oz oz Shot Material: Lead Primer Style: Centerfire Muzzle Energy: 2538 ft-lbs Lead Free: No What is Brenneke SL122HFSGL Green Lightning 12 Gauge 2.75" 1 1/4 Oz Slug Shot good for? The manufacturer suggests that it is best for hunting.