- Details
Underwood .357 Mag 158gr XTP JHP Ammo delivers exceptional performance for self-defense and hunting applications. This high-velocity load features a 158 grain Jacketed Hollow Point bullet, achieving an impressive muzzle velocity of 1500 fps. The nickel-plated brass cases ensure smooth feeding and ejection, while the JHP design promotes reliable expansion upon impact. With 20 rounds per box, this ammunition offers the power and precision needed for critical situations.
Product Highlights:
| Specifications | |
|---|---|
| Manufacturer | Underwood Ammo |
| Caliber | .357 Magnum |
| Bullet Weight | 158 grains |
| Bullet Type | Jacketed Hollow Point (JHP) |
| Muzzle Velocity | 1500 fps |
| Muzzle Energy | 790 ft lbs |
| Case Material | Nickel Plated Brass |
| Rounds Per Box | 20 |
| Ballistic Coefficient (G1) | 0.206 |
| Sectional Density | 0.177 |
| Reloadable | Yes |
| Suppressor Safe | Yes |
Key Features:
The Underwood .357 Mag 158gr XTP JHP Ammo offers impressive performance characteristics that make it an excellent choice for self-defense and hunting applications. Here’s a breakdown of its key features:
Applications & Use Cases:
Pros and Cons:
Pros
- ✔ High Velocity: 1500 fps muzzle velocity provides excellent stopping power and penetration.
- ✔ Effective Self-Defense: Jacketed Hollow Point design offers controlled expansion for self-defense situations.
- ✔ Versatile Use: Suitable for both self-defense and hunting applications.
- ✔ Quality Construction: Nickel-plated brass cases ensure reliable feeding and extraction.
- ✔ Suppressor Compatible: Safe to use with suppressors, offering flexibility for various shooting scenarios.
Cons
- ✘ Recoil: High velocity and energy may result in significant felt recoil, especially in smaller frame revolvers.
- ✘ Over-penetration Risk: The high velocity and energy may lead to over-penetration in self-defense situations, requiring careful shot placement.
- ✘ Cost: Premium self-defense ammunition typically comes at a higher price point compared to standard target loads.
- ✘ Limited Capacity: 20 rounds per box may be considered low for extended practice sessions.
About Underwood Ammo:
Underwood Ammo, founded in 2013, has quickly established itself as a premier manufacturer of high-performance ammunition. Based in Sparta, Illinois, Underwood Ammo is known for producing some of the most powerful commercially available handgun and rifle ammunition on the market. The company prides itself on using only the highest quality components and maintaining strict quality control standards. Underwood Ammo’s products are entirely made in the USA, with a focus on pushing the boundaries of ballistic performance. Their commitment to innovation has led to the development of ammunition that consistently outperforms standard factory loads in terms of velocity and energy.
Frequently Asked Questions:
Q: What is the muzzle velocity of the Underwood .357 Mag 158gr XTP JHP Ammo?
A: The muzzle velocity of this ammunition is 1500 feet per second, providing excellent performance for self-defense and hunting applications.
Q: How many rounds are in each box of this ammunition?
A: Each box contains 20 rounds of Underwood .357 Mag 158gr XTP JHP Ammo.
Q: Is this ammunition suitable for self-defense?
A: Yes, this ammunition is designed to be highly effective for self-defense applications. The jacketed hollow point (JHP) bullet is engineered for controlled expansion upon impact.
Q: What is the muzzle energy of this ammunition?
A: The muzzle energy of this ammunition is 790 ft-lbs, providing significant stopping power for self-defense and hunting scenarios.
Q: Is this ammunition safe to use in a suppressor?
A: Yes, this ammunition IS SAFE to use with a suppressor, making it versatile for various shooting applications.
Q: What is the ballistic coefficient of the bullet?
A: The bullet in this ammunition has a ballistic coefficient (G1) of 0.182, which indicates good stability in flight and retained velocity downrange.
- UPC:
- 816874020422
- Brand:
- Underwood Ammo
- Caliber:
- .357 Mag
- Condition:
- New
- Bullet Weight (Grains):
- 158
- Casing:
- Brass









