The Underwood Ammo 124 XTP .357 Magnum 158 Grain Jacketed Hollow Point is engineered as a high performance handgun load for shooters who demand consistent accuracy and dependable terminal performance. Built around the proven Hornady XTP bullet and paired with nickel-plated brass cases, this round is designed to deliver deep penetration, controlled expansion, and smooth feeding in a wide range of revolvers and carbines.

This .357 Magnum load is well suited for personal protection and medium game hunting, offering a balance of velocity and energy that makes it effective while remaining controllable for experienced shooters. Flash suppressed powder helps preserve sight picture in low light environments, and the reloadable, non-corrosive brass cases support long-term training use. Underwood Ammo is known for rigorous testing with real-world firearms, reflecting a commitment to performance-focused design and reliable craftsmanship.

Key Features:

• Manufacturer: Underwood Ammo
• Model: 124 XTP .357 Magnum 158 Grain Jacketed Hollow Point
• Caliber: .357 Magnum
• Bullet Type: Jacketed Hollow Point (XTP)
• Bullet Weight: 158 Grains
• Muzzle Velocity: 1500 Fps
• Muzzle Energy: 790 Ft Lbs
• Rounds Per Box: 20
• Boxes Per Case: 10
• Casing Material: Nickel-Plated Brass
• Rating: Supersonic