357 SIG AMMO for Sale
Browse 357 SIG Ammo listings from verified sellers across the U.S. on GunsAmerica.
357 SIG Ammo Overview
Introduced in 1994, 357 SIG ammo was designed to replicate the .357 Magnum's performance in semi-automatic pistols. It emphasizes high velocity and reliable expansion for effective terminal ballistics. This caliber remains popular among law enforcement and self-defense shooters seeking a flat trajectory and strong stopping power.
Why It's a Top Choice
- High velocity for flat shooting
- Effective expansion on impact
- Suitable for semi-auto pistols
- Widely used in law enforcement
- Available in various bullet types
Key Variants
357 SIG FMJ — Ideal for training and range practice with consistent feeding.
357 SIG JHP — Popular self-defense choice offering controlled expansion.
357 SIG Bonded — Designed for law enforcement with reliable penetration and weight retention.
Competitor Comparison Table
| Feature | 357 SIG Ammo | 9mm Luger | .40 S&W |
|---|---|---|---|
| Typical Velocity (fps) | 1350–1450 | 1100–1200 | 950–1150 |
| Energy (ft-lb) | 425–475 | 330–400 | 400–475 |
| Common Bullet Weight (grains) | 125 | 115–147 | 155–180 |
| Penetration/Expansion | Reliable expansion, deep penetration | Balanced expansion, moderate penetration | Good penetration, heavier recoil |
| Use | Self-defense, law enforcement | Self-defense, sport shooting | Duty, personal defense |
Best Use Cases
- Self-defense
- Law enforcement duty
- Range practice
- Competition shooting
Frequently Asked Questions
Can I use 357 SIG ammo in a 9mm handgun?
No. 357 SIG rounds are larger and generate higher pressure; they are not compatible with 9mm firearms.
What is the typical velocity of 357 SIG ammo?
357 SIG ammunition typically reaches velocities between 1350 and 1450 feet per second depending on load and bullet type.
How does 357 SIG compare to 9mm in stopping power?
357 SIG generally offers superior penetration and higher energy transfer, making it effective for self-defense.
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