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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. Hornady 357 Magnum 125gr XTP American gunner Ammunition 25rds - 90504

    Hornady 357 Magnum 125gr XTP American gunner Ammunition 25rds - 90504

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    Regular Price $22.99 Special Price $20.69 $0.83
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  2. Hornady 357 Magnum 135gr FTX Critical Duty Ammunition 25rds - 90511

    Hornady 357 Magnum 135gr FTX Critical Duty Ammunition 25rds - 90511

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    Regular Price $36.99 Special Price $32.99 $1.32
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  3. Liberty 357 Magnum 50gr HP Civil Defense Ammunition 20rds - LA-CD-357-030

    Liberty 357 Magnum 50gr HP Civil Defense Ammunition 20rds - LA-CD-357-030

    Rating:
    96%
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    $41.99 $2.10
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  4. Magtech 357 Magnum 125gr FMJ Ammunition 50rds - 357Q

    Magtech 357 Magnum 125gr FMJ Ammunition 50rds - 357Q

    Rating:
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    Regular Price $37.99 Special Price $33.59 $0.67
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  5. Magtech .357 Magnum 158 gr LFN 50rds

    Magtech .357 Magnum 158 gr LFN 50rds

    Regular Price $37.99 Special Price $33.99 $0.68
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  6. Federal 357 Magnum 158gr Hydra-Shok Ammunition 20rds - P357HS1

    Federal 357 Magnum 158gr Hydra-Shok Ammunition 20rds - P357HS1

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    Regular Price $31.99 Special Price $28.99 $1.45
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  7. Winchester USA 357 Magnum 110gr JHP Ammunition 50rds - Q4204

    Winchester USA 357 Magnum 110gr JHP Ammunition 50rds - Q4204

    Regular Price $39.99 Special Price $35.19 $0.70
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  8. Fiocchi 357 Magnum 158gr CMJFP 50 Rounds Ammunition - 357GCMJ

    Fiocchi 357 Magnum 158gr CMJFP 50 Rounds Ammunition - 357GCMJ

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    $33.99 $0.68
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  9. Fiocchi 357 Magnum Extrema 158gr JHP Ammunition 50rds - 357B

    Fiocchi 357 Magnum Extrema 158gr JHP Ammunition 50rds - 357B

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    Regular Price $36.99 Special Price $32.79 $0.66
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  10. Federal .357 Mag 180 gr Swift A-Frame 20 Rounds Ammunition - P357SA

    Federal .357 Mag 180 gr Swift A-Frame 20 Rounds Ammunition - P357SA

    Regular Price $53.99 Special Price $48.09 $4.81
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  11. Hornady 357 Magnum 140gr FTX LeverEvolution Ammunition 25rds - 92755

    Hornady 357 Magnum 140gr FTX LeverEvolution Ammunition 25rds - 92755

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    $31.99 $1.28
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  12. Federal 357 Magnum 140gr Barnes X Expander Vital-Shok Ammunition 20rds - P357XB1

    Federal 357 Magnum 140gr Barnes X Expander Vital-Shok Ammunition 20rds - P357XB1

    Regular Price $49.99 Special Price $35.99 $1.80
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  13. CCI 38 Special/357 Magnum Shotshell 10 Rounds Ammunition - 3738

    CCI 38 Special Shotshell 10 Rounds Ammunition - 3738

    Rating:
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    Regular Price $19.99 Special Price $17.99 $1.80
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  14. Magtech 357 Magnum 158gr FMJ Ammunition 50rd/box - 357D

    Magtech 357 Magnum 158gr FMJ Ammunition 50rd/box - 357D

    Regular Price $35.99 Special Price $32.39 $0.65
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  15. American Eagle 357 Magnum 158gr JSP Ammunition 50rds - AE357A

    American Eagle 357 Magnum 158gr JSP Ammunition 50rds - AE357A

    Rating:
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    Regular Price $38.99 Special Price $34.69 $0.69
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  16. Winchester 357 Magnum 125gr PDX1 Defender Ammunition 20rds - S357MPDB

    Winchester 357 Magnum 125gr PDX1 Defender Ammunition 20rds - S357MPDB

    Regular Price $38.99 Special Price $34.99 $1.75
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  17. Fiocchi 357 Magnum 125gr SJHP Ammunition 50rds - 357D

    Fiocchi 357 Magnum 125gr SJHP Ammunition 50rds - 357D

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    $33.99 $0.68
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  18. CCI Blazer 357 Mag 158gr JHP Aluminum Case Ammunition - 3542

    CCI Blazer 357 Mag 158gr JHP Aluminum Case Ammunition - 3542

    Rating:
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    Regular Price $35.99 Special Price $31.99 $0.64
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  19. Hornady .357 Mag 158gr XTP Custom Pistol Ammunition 25rds - 90562

    Hornady .357 Mag 158gr XTP Custom Pistol Ammunition 25rds - 90562

    Regular Price $33.99 Special Price $29.99 $1.20
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  20. Hornady 357 Magnum 125gr FTX Critical Defense Ammunition 25rds - 90500

    Hornady 357 Magnum 125gr FTX Critical Defense Ammunition 25rds - 90500

    Rating:
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    $34.99 $1.40
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  21. Fiocchi 357 Magnum 142gr FMJTC Ammo, 50rds - 357F

    Fiocchi 357 Magnum 142gr FMJTC Ammo, 50rds - 357F

    Rating:
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    $33.99 $0.68
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  22. Winchester 357 Magnum 158gr JSP Ammunition 50rds - X3575P

    Winchester 357 Magnum 158gr JSP Ammunition 50rds - X3575P

    Rating:
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    $31.99 $0.64
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  23. Fiocchi Shooting Dynamics 125 gr Semi-Jacketed Soft Point .357 Mag Ammo, 50/box - 357C

    Fiocchi Shooting Dynamics 125 gr Semi-Jacketed Soft Point .357 Mag Ammo, 50/box - 357C

    Rating:
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    Out of Stock
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  24. Armscor 125 gr Full Metal Jacket .357 Mag Ammo, 50/box - FAC3572N

    Armscor 125 gr Full Metal Jacket .357 Mag Ammo, 50/box - FAC3572N

    Out of Stock
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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!