Underwood Ammo .357 Magnum 158gr XTP Jacketed Hollow Point Ammunition – 20 Rounds

Deliver serious terminal performance with Underwood Ammo’s .357 Magnum 158-grain XTP Jacketed Hollow Point ammunition — a hard-hitting, versatile load trusted for both self-defense and hunting applications. Loaded to a blazing 1,500 fps muzzle velocity and generating 790 ft-lbs of muzzle energy, this round hits harder than most factory .357 Mag offerings while maintaining exceptional accuracy and consistency.

Built around the legendary Hornady XTP (eXtreme Terminal Performance) bullet, this load is engineered for controlled expansion and deep penetration — critical qualities when it counts most. The supersonic flight profile and ballistic coefficient (G1) of 0.206 help ensure a stable, flat-shooting trajectory downrange.

Key Features:

• Caliber: .357 Magnum
• Bullet Weight: 158 Grains
• Bullet Type: XTP Jacketed Hollow Point (JHP)
• Muzzle Velocity: 1,500 fps
• Muzzle Energy: 790 ft-lbs
• Ballistic Coefficient (G1): 0.206
• Sectional Density: 0.177
• Casing: Nickel-Plated Brass – Boxer Primed & Reloadable
• New Production: Non-Corrosive
• Suppressor Safe: Yes
• Round Count: 20 Rounds per Box
• Manufacturer: Underwood Ammo

The nickel-plated brass cases offer reliable feeding, smooth extraction, and added corrosion resistance — making them ideal for carry use and follow-up reloading. Whether you’re stocking up for home defense, concealed carry, or hunting medium game, this Underwood load delivers the velocity, energy, and reliability you need.

Order online today from VanTon Arms and take advantage of our competitive pricing and fast nationwide shipping. Stock is limited — secure your box now.