Winchester Super-X Shotshell 410 Bore 1/5 oz 2.5in Centerfire Shotgun Slug Ammo 5 Rounds. These top-quality slugs deliver unbeatable knockdown power combined with consistent and reliable performance. These slugs are made using super-precise manufacturing processes with high-quality materials to deliver a level of quality and dependability that no other name in the business can match. These top-quality slugs are loaded using Winchester's Gold Medal standard for shotgun shells which gives you the assurance that you are using some of the most technologically advanced rifled slugs ever created. Specifications for Winchester Super-X Shotshell 410 Bore 1/5 oz 2.5" Shotgun Slug Ammunition: Manufacturer: Winchester Gauge: .410 Shell Length: 2 1/2 in Muzzle Velocity: 1830 ft/s Application: Deer Included Accessories: None Shot Material: Lead Primer Style: Centerfire Cartridge Case Material: Brass Lead Free: No Shotgun Shot Weight: 1/5 oz Package Contents: Winchester Super-X Shotshell 410 Gauge 2-1/2 1830 1/5 Foster Slug What is Winchester Super-X Shotshell 410 Bore 1/5 oz 2.5" Shotgun Slug Ammunition good for? The manufacturer thinks that it is best for deer.Winchester SUPER-X SHOTSHELL 410 Bore 1/5 oz 2.5in Centerfire Shotgun Slug Ammo 5 Rounds X41RS5