Caliber: 357 Magnum – Bullet Weight: 180 Grains – Muzzle Velocity: 1130 – Bullet Style: Swift A-Frame – Ballistic Coefficient: 0.18 – Brand: VitalShok® Swift® A-Frame® – Rounds per Box: 20 – Expansion-arresting A-Frame® design – Nickel-plated case prevents corrosion and helps extraction – Back half of the bullet remains intact for deep penetration – Bonded front half expands consistently across a broad velocity range – Specially formulated propellant – Unique Federal® primer