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357 Magnum Ammo

Palmetto State Armory has a premium selection of .357 Magnum ammunition. We have FMJ ammunition for training, specialty ammunition for concealed carry and defensive application, and much more. Shop our selection of .357 Magnum ammunition from brands like Federal, Hornady, Speer, Winchester and more.
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  1. Glaser Pow'rBall 357 Magnum 100gr Ammunition 20rds - PB357100/20

    Glaser Pow'rBall 357 Magnum 100gr Ammunition 20rds - PB357100/20

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    Regular Price $21.99 Special Price $19.99 $1.00
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  2. HSM 357 Magnum 180gr RNFP-GC Bear Load Ammunition 50rds - HSM-357-18-N

    HSM 357 Magnum 180gr RNFP-GC Bear Load Ammunition 50rds - HSM-357-18-N

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    Regular Price $58.99 Special Price $52.99 $1.06
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  3. Cor-Bon 357 Magnum 125gr DPX Ammunition 20rds - DPX357125/20

    Cor-Bon 357 Magnum 125gr DPX Ammunition 20rds - DPX357125/20

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    Regular Price $25.99 Special Price $22.99 $1.15
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  4. Cor-Bon 357 Magnum 125gr JHP Ammunition 20rds - SD357125/20

    Cor-Bon 357 Magnum 125gr JHP Ammunition 20rds - SD357125/20

    Rating:
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    Regular Price $21.99 Special Price $19.59 $0.98
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  5. Cor-bon 357 Magnum 110gr JHP Ammunition 20rds - SD357110/20

    Cor-bon 357 Magnum 110gr JHP Ammunition 20rds - SD357110/20

    Rating:
    80%
    (1)
    Regular Price $21.99 Special Price $19.59 $0.98
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  6. Winchester American Lever Range .357 Magnum 130gr FMJ Ammo, 50Rds

    Winchester American Lever Range .357 Magnum 130gr FMJ Ammo, 50Rds

    Regular Price $34.99 Special Price $26.99 $0.54
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  7. Nosler ASP .357 Magnum 125Grain JHP Ammo, 20Rds - 40137

    Nosler ASP .357 Magnum 125Grain JHP Ammo, 20Rds - 40137

    Regular Price $25.99 Special Price $22.99 $1.15
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  8. Scorpion 357 Magnum 158gr JHP Ammo, 20rd

    Scorpion 357 Magnum 158gr JHP Ammo, 20rd

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    $19.99 $1.00
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  9. Fort Scott Munitions Claw Defense 357MAG 150gr FN Ammo, 20rds - 357mag150scvfncd

    Fort Scott Munitions Claw Defense 357MAG 150gr FN Ammo, 20rds - 357mag150scvfncd

    Regular Price $29.99 Special Price $24.78 $1.24
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  10. Lehigh Defense .357 Magnum 125 gr Controlled Fracturing 20rds

    Lehigh Defense .357 Magnum 125 gr Controlled Fracturing 20rds

    Regular Price $58.99 Special Price $52.99 $2.65
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  11. Lehigh Defense .357 Magnum 120 gr Copper 20rds

    Lehigh Defense .357 Magnum 120 gr Copper 20rds

    Regular Price $54.99 Special Price $49.99 $2.50
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  12. Hornady Backcountry Defense .357 Magnum 165 gr DGH, 25rds

    Hornady Backcountry Defense .357 Magnum 165 gr DGH, 25rds

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    $38.99 $1.56
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  13. Fiocchi Hyperformance Hunt .357 Magnum 140 gr CHP 25rds

    Fiocchi Hyperformance Hunt .357 Magnum 140 gr CHP 25rds

    Regular Price $72.99 Special Price $65.99 $2.64
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  14. Remington Core-Lokt .357 Magnum 180 gr JHP 20rds

    Remington Core-Lokt .357 Magnum 180 gr JHP 20rds

    Rating:
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    Regular Price $42.99 Special Price $38.99 $1.95
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  15. Underwood Ammo .357 Magnum 180 gr FN 20rds

    Underwood Ammo .357 Magnum 180 gr FN 20rds

    Rating:
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    Regular Price $34.99 Special Price $31.49 $1.57
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  16. Underwood Ammo .357 Magnum 158 gr FMJ 50rds

    Underwood Ammo .357 Magnum 158 gr FMJ 50rds

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    Regular Price $49.99 Special Price $44.99 $0.90
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  17. Underwood Ammo .357 Magnum 125 gr JHP 20rds

    Underwood Ammo .357 Magnum 125 gr JHP 20rds

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    Regular Price $25.99 Special Price $22.99 $1.15
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  18. Underwood Ammo .357 Magnum 158 gr JHP 20rds

    Underwood Ammo .357 Magnum 158 gr JHP 20rds

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    Regular Price $26.99 Special Price $23.99 $1.20
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  19. Swift A-Frame .357 Magnum 180 gr HP 25rds

    Swift A-Frame .357 Magnum 180 gr HP 25rds

    Regular Price $81.99 Special Price $73.99 $2.96
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  20. CCI HEVI-Bismuth .38 Special/.357 Magnum 80 gr #8 10rds Handgun Shotshell for Enhanced Accuracy - 3738B

    CCI HEVI-Bismuth .38 Special/.357 Magnum 80 gr #8 10rds Handgun Shotshell for Enhanced Accuracy - 3738B

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    $20.99 $2.10
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  21. Barnes Bullets Pioneer .357 Magnum 140 gr XPBHP 20rds Handgun Ammo for Superior Accuracy and Performance - 32141

    Barnes Bullets Pioneer .357 Magnum 140 gr XPBHP 20rds Handgun Ammo for Superior Accuracy and Performance - 32141

    Regular Price $32.99 Special Price $29.99 $1.50
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  22. Barnes Bullets Pioneer .357 Magnum 180gr FNJSP Handgun Ammo, 20Rds

    Barnes Bullets Pioneer .357 Magnum 180gr FNJSP Handgun Ammo, 20Rds

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    Regular Price $34.99 Special Price $30.99 $1.55
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  23. Remington Golden Saber Defense .357 Magnum 125 gr Ammo BJHP - 20rds - 27600

    Remington Golden Saber Defense .357 Magnum 125 gr Ammo BJHP - 20rds - 27600

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    $31.99 $1.60
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  24. Magtech .357 Magnum 158 gr Ammo SJHP - 50rds - 357B

    Magtech .357 Magnum 158 gr Ammo SJHP - 50rds - 357B

    Rating:
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    Regular Price $36.99 Special Price $32.99 $0.66
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Learn More about .357 Magnum Ammo

The History of the .357 Magnum

The .357 Magnum cartridge was introduced in 1935 by Smith & Wesson in collaboration with Winchester. It was designed to improve upon the .38 Special by offering greater power, velocity, and versatility. Law enforcement agencies and civilian shooters quickly adopted the round due to its effectiveness in self-defense and its ability to penetrate barriers more effectively than lower-powered handgun cartridges.

The .357 Magnum gained prominence as a law enforcement cartridge throughout the mid-20th century. It was widely used in revolvers such as the Smith & Wesson Model 27 and Model 19. Its stopping power and penetration capabilities made it ideal for police officers who needed a reliable, effective sidearm. Over time, the cartridge also found favor among hunters and sport shooters due to its accuracy and versatility.

Today, the .357 Magnum remains popular for self-defense, hunting, and competition shooting. Modern revolvers and lever-action rifles chambered in .357 Magnum provide shooters with a powerful and adaptable cartridge.

Is the .357 More Powerful Than the 9mm?

Yes, the .357 Magnum is more powerful than the 9mm in terms of velocity, energy, and terminal ballistics. The key differences include:

Velocity: A standard .357 Magnum round can reach velocities between 1,200 and 1,500 feet per second (fps), while a typical 9mm round travels between 1,000 and 1,300 fps.

Energy: The .357 Magnum generates higher muzzle energy, often exceeding 500 foot-pounds (ft-lbs), compared to the 9mm, which typically produces 300 to 400 ft-lbs.

Penetration: The .357 Magnum is known for its deep penetration capabilities, making it more effective against barriers and larger game animals.

While the 9mm is more commonly used for concealed carry due to its lower recoil and higher magazine capacity, the .357 Magnum offers superior stopping power and penetration, making it a preferred choice for those prioritizing raw performance.

.357 Accuracy

The .357 Magnum is regarded as one of the most accurate revolver cartridges. Its flat trajectory and high velocity contribute to its precision, especially at medium distances.Key factors that impact accuracy include:

Firearm Type: A longer barrel generally improves accuracy. Revolvers with barrel lengths of 4 to 6 inches tend to offer better precision than shorter-barreled variants.

Shooter Skill: Proper grip, stance, and trigger control are essential for maximizing the accuracy of the .357 Magnum.

Ammunition Selection: Match-grade ammunition and carefully hand-loaded rounds can improve consistency and accuracy.

The .357 Magnum is a well-balanced cartridge that offers consistent performance for hunting and target shooting. In the hands of a skilled shooter, it can deliver tight groupings at extended handgun ranges.

Ballistics

The .357 Magnum is known for its impressive ballistic performance. Compared to other standard handgun rounds, it offers a combination of speed, energy, and penetration, making it highly effective for various applications.

Muzzle Velocity: The .357 Magnum can achieve velocities between 1,200 and 1,500 fps depending on the bullet weight and powder charge. Lighter projectiles move faster, while heavier bullets provide more impact energy.

Energy Transfer: With energy levels exceeding 500 ft-lbs, the .357 Magnum delivers significant stopping power, making it effective for self-defense and hunting.

Trajectory: The .357 Magnum has a flatter trajectory than many other handgun cartridges, improving its effectiveness at longer distances. When fired from a rifle-length barrel, it can maintain velocity and energy over extended ranges.

Penetration: Due to its high velocity and bullet design, the .357 Magnum offers deep penetration, making it suitable for hunting medium-sized game and defensive situations where overcoming obstacles is necessary.

Affordability Versus Other Centerfire Rifle Cartridges

When comparing the .357 Magnum to centerfire rifle cartridges, it offers a unique balance of affordability and performance.

Cost Per Round: .357 Magnum ammunition is generally more affordable than rifle cartridges like .308 Winchester or .30-06 Springfield. Factory loads typically range from $0.75 to $1.50 per round, whereas rifle ammunition often exceeds $1.50 per round.

Reloading Costs: Shooters who reload their ammunition can further reduce costs, making the .357 Magnum a cost-effective choice for frequent shooters.

Versatility: Unlike many rifle rounds, the .357 Magnum can be fired from both revolvers and lever-action rifles, offering shooters looking to maximize their investment a two-in-one advantage.

Availability: .357 Magnum ammunition is widely available, making it a convenient option for those who do not want to deal with the scarcity or high prices associated with some rifle calibers.

Why Buy .357 Magnum Ammo from Palmetto State Armory?

Get reliable stopping power and precision with .357 Magnum ammo from Palmetto State Armory, your trusted source for top brands at unbeatable prices. Shop now for amazing deals and fast shipping on high-quality .357 Magnum rounds for self-defense, hunting, and target shooting!