Federal Premium Power Shok 12 Gauge 1oz Rifled Slug Centerfire Shotgun Ammo Rifled Slug Shot 5 Rounds F127 RS. These loads provide accuracy and power at a bargain price. Specifications for Federal Premium Power Shok 12 Gauge 1oz Power Shok Rifled Slug Shotgun Ammunition: Manufacturer: Federal Gauge: 12 Number of Rounds: 5 Shell Length: 2 3/4 in Muzzle Velocity: 1610 ft/s Application: Medium Game Shot Material: Lead Primer Style: Centerfire Bullet Weight: 430 grain Bullet Type: Rifled Slug Hollow Point (RSHP) Cartridge Case Material: Brass Lead Free: No Type: Lead Shot Size: Slug Shotgun Shot Weight: 1 oz Features of Federal Premium Power Shok 12 Gauge 1 oz Power Shok Rifled Slug Centerfire Shotgun Ammunition Designed for use in smoothbore barrels Ample power for deer and similar game Soft lead slug delivers good expansion Package Contents: Federal Premium Power Shok 12 Gauge 1oz Power Shok Rifled Slug Shotgun Ammunition What is Federal Premium Power Shok 12 Gauge 1oz Power Shok Rifled Slug Shotgun Ammunition good for? The manufacturer thinks that it is good for medium game.Federal F127 RS: Premium Power Shok 12 Gauge 1oz Power Shok Rifled Slug Centerfire Shotgun Ammo Rifled Slug Shot 5 Rounds