Hornady, Superformance, 12 Gauge,2.75", 300 Grain, MonoFlex, Sabot Slug, 5 Round BoxAt the heart of the Superformance(R) Shotgun slug is the MonoFlex(R) projectile topped with the Hornady(R) exclusive Flex Tip(R) design that works as a catalyst for uniform expansion, even at low velocities. The MonoFlex(R) wont separate, and retains 95% of its original weight. Features : 12 Gauge 1,950 Feet per second 2 3 4 Inch 300 grain MonoFlex slug 5 Rounds per box UPC 090255862362 Manufacturer Hornady Manufacturer Part # 86236 Model Superformance