Underwood 357 Magnum 158gr XTP JHP Ammo - 20 Rounds

The Underwood Ammo 357 Magnum 158-grain XTP jacketed hollow point delivers maximum terminal performance for hunting and self-defense applications. This premium ammunition combines Hornady's proven XTP bullet design with Underwood's commitment to consistent velocities and reliable expansion.

What Makes This Different

Underwood loads their 357 Magnum cartridges to achieve velocities that often exceed factory specifications by 200-300 fps compared to standard ammunition. The Hornady XTP bullet features controlled expansion technology with deep penetration characteristics. Each round undergoes rigorous quality control testing to ensure consistent performance across temperature extremes and varying barrel lengths.

Key Features

• 158-grain Hornady XTP jacketed hollow point bullet for controlled expansion
• High-velocity loading achieves 1,400+ fps from 4-inch barrels
• Premium brass cases suitable for reloading applications
• Consistent powder charges for shot-to-shot accuracy
• Nickel-plated cases resist corrosion and aid extraction
• 20 rounds per box for extended range sessions
• Compatible with all 357 Magnum and 357 Maximum firearms

Field testing demonstrates reliable expansion at velocities ranging from 1,200 to 1,500 fps across various barrel lengths. The XTP design maintains structural integrity through heavy clothing and intermediate barriers while delivering consistent wound channels. Law enforcement agencies and hunters rely on this combination for situations requiring immediate stopping power and deep penetration on medium game.

Technical Specs

• Caliber: 357 Magnum
• Bullet Weight: 158 grains
• Bullet Type: Hornady XTP Jacketed Hollow Point
• Muzzle Velocity: 1,400+ fps (4-inch barrel)
• Muzzle Energy: 688+ ft-lbs
• Case Material: Nickel-plated brass
• Primer: Small pistol
• Quantity: 20 rounds per box
• Manufactured: United States

Underwood's reputation for producing ammunition that exceeds SAAMI specifications makes this load ideal for shooters who demand consistent performance. The combination of premium components and precise manufacturing ensures reliable function in revolvers and lever-action rifles chambered for 357 Magnum.