Winchester Deer Season XP 12 Gauge 1 1/8 oz 2.75in Centerfire Shotgun Slug Ammo 5 Rounds. The Deer Season slug utilizes a rear stabilized wad that travels downrange with the slug to improve accuracy through all shotguns. Better accuracy means clean kills fast knockdown and blood trails measured in feet - not yards. Specifications for Winchester Deer Season XP 12 Gauge 1 1/8 oz 2.75" Shotgun Slug Ammunition: Manufacturer: Winchester Gauge: 12 Number of Rounds: 5 Shell Length: 2 3/4 in Muzzle Velocity: 1600 ft/s Application: Deer Included Accessories: None Shot Material: Lead Primer Style: Centerfire Bullet Type: Rifled Slug (RS) Cartridge Case Material: Brass Lead Free: No Shotgun Shot Type: Slug Shotgun Shot Weight: 1 1/8 oz Gun Type: Shotgun Features of Winchester DEER SEASON XP 12 Gauge 1 1/8 oz 2.75" Centerfire Shotgun Slug Ammunition: Designed for superior performance in all shotguns High Velocity Carries greater energy downrange for more knockdown power Integrated Rear Stabilized WadTravels downrange with the slug for improved accuracy Package Contents: Winchester DEER SEASON XP 12 Gauge 1 1/8 oz 2.75" Centerfire Shotgun Slug Ammunition What is Winchester Deer Season XP 12 Gauge 1 1/8 oz 2.75" Shotgun Slug Ammunition good for? The manufacturer suggests that it is best for deer.Winchester X12DS: Deer Season XP Shotgun Slugs 12 Gauge High Velocity Lead Slug 2.75in Shot Length 1 1/8oz Shot Weight 5 Rounds