357 Magnum Ammo

357 Magnum Ammo for Sale: In-Stock .357 Mag Ammunition

True Shot Ammo carries a deep lineup of 357 Magnum ammo for revolvers and lever-action rifles, from affordable 158 grain FMJ and JSP range loads to premium defensive hollow points and hard cast hunting rounds. Shop trusted brands including Hornady, Federal, Black Hills, Sellier & Bellot, Magtech, Norma, PMC, and Underwood, with .357 Mag loads ranging from 125 grain to 180 grain. Order online and we will ship your .357 Magnum ammo fast, straight to your door.

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Choosing the Right 357 Magnum Ammo

357 Mag Ammo by Grain Weight

• 125 to 130 grain: Lighter projectiles that move fast and are the most common choice for defensive .357 Magnum loads, including Hornady Critical Defense FTX, Hornady American Gunner XTP, Underwood XTP, and Black Hills JHP.
• 142 grain: A middle-weight option, such as Fiocchi FMJ, that works well for high-volume practice.
• 158 grain: The most popular .357 Mag bullet weight and the backbone of range and general-purpose ammo. You will find 158 grain FMJ, JSP, SJSP, SJHP, and lead flat nose loads from PMC, Sellier & Bellot, Magtech, Norma, Aguila, Winchester, Remington, and more.
• 170 to 180 grain: Heavy-for-caliber loads like Federal HammerDown bonded hollow points and HSM hard lead gas check rounds, popular with hunters and lever-action shooters who want deeper penetration.

357 Magnum Ammo by Use

• Range and training: 158 grain FMJ and JSP loads offer consistent, affordable practice for revolvers and lever guns.
• Self-defense: Jacketed hollow points and polymer-tipped FTX loads are designed to expand reliably on impact. Browse more in our self-defense ammo collection.
• Hunting: Bonded hollow points, monolithic copper loads like Hornady MonoFlex, and hard cast lead rounds are built for controlled expansion or deep penetration on game. See our full hunting ammo selection.
• Snake and pest control: CCI shotshells loaded with #9 shot let you use your .357 Magnum revolver at very close range for pests and snakes.

About .357 Magnum Ammunition

The .357 Magnum cartridge is the product of a collaboration between Elmer Keith and Smith & Wesson and was introduced in 1935. Initial production of the cartridge was carried out by Smith & Wesson and Winchester. The cartridge has a long and storied history in law enforcement and personal defense, and for much of the 20th century a .357 Magnum revolver was a common service weapon for police officers. Shooters also rely on the round for competition, defense, and hunting, which makes it one of the most versatile handgun cartridges available.

Types of .357 Magnum Loadings

• Full Metal Jacket (FMJ): FMJ loads feature projectiles wrapped in metal jacketing, generally copper, that covers the tip and sides of the bullet while the base is typically left uncoated. These loads are well suited for range use and are some of the most common .357 Mag ammo you will find.
• Jacketed Hollow Point (JHP): JHP loads pair a hollow point with a metal jacket and are the standard choice for defensive .357 Magnum ammo. They are designed to expand reliably on impact while reaching adequate penetration without overpenetrating the target.
• Semi Jacketed Hollow Point (SJHP): SJHP projectiles feature jacketing that stops just short of the tip, combined with a hollow point that often includes notches to aid expansion. These loads are well suited for defensive use.
• Semi Jacketed Soft Point (SJSP): Often called JSP, these loads use a partial jacket with an exposed flat or round nose. They make excellent general-purpose .357 Magnum ammunition for practice and field use.

Firearms That Use .357 Magnum Ammo

Most .357 Magnum ammo is fired from double-action and single-action revolvers, from compact snub-nose carry guns to full-size duty and hunting revolvers. Lever-action rifles chambered in .357 Magnum are also popular, and the longer barrel gets more performance out of the cartridge. Semi-automatic pistols in .357 Magnum exist as well, though they are far less common.

Can You Shoot .38 Special in a .357 Magnum?

Yes. Firearms chambered in .357 Magnum can safely fire .38 Special ammunition. The .38 Special case is shorter, so it fits in .357 Magnum cylinders and magazine tubes without issue. This gives .357 owners access to lower-recoil, more affordable practice ammo. The reverse is not true: .357 Magnum ammo is longer and cannot be loaded into firearms chambered only for .38 Special.

Why Buy Your 357 Magnum Ammo From True Shot Ammo?

Customers choose True Shot Ammo for our Core 4 principles: Price, Service, Selection, and Convenience.

Price: Our direct-from-manufacturer model cuts out the middlemen, so we can pass the savings on .357 Magnum ammo straight to you.

Service: Whether you visit our Tempe, AZ storefront or shop online, our knowledgeable staff makes sure you get squared away every time.

Selection: We keep a wide range of .357 Mag loads in stock, from FMJ range ammo to premium defensive and hunting rounds.

Convenience: Shop in store to get to the range faster, or order online for streamlined shipping with transparent tracking.

Shooters Preferred Membership

Save on every order with our Shooters Preferred Membership. For $99 per year, enjoy free shipping on all orders up to $1500 (after tax), so your next .357 Magnum order ships at no extra cost.

Frequently Asked Questions About 357 Magnum Ammo

What is the best 357 Magnum ammo for self-defense?
Look for jacketed hollow point or polymer-tipped loads designed to expand reliably, such as Hornady Critical Defense FTX, Hornady American Gunner XTP, Underwood XTP, Black Hills JHP, or Norma SafeGuard. Shop all JHP ammo.

What grain 357 Magnum ammo should I buy?
For range practice, 158 grain FMJ or JSP is the most common and economical choice. For defense, many shooters choose 125 to 130 grain hollow points. For hunting and lever-action rifles, heavier 158 to 180 grain bonded, monolithic, or hard cast loads are popular.

Is .357 Mag the same as .357 Magnum?
Yes. .357 Mag, .357 Magnum, and .357 S&W Magnum all refer to the same cartridge.

Can I shoot .38 Special in a .357 Magnum revolver?
Yes. Any firearm chambered in .357 Magnum can also fire .38 Special, which is a popular way to practice with lighter recoil and lower cost. Compare the two in our .357 Magnum vs .38 Special guide.

Is 357 Magnum good for hunting?
.357 Magnum is a popular hunting cartridge, especially from lever-action rifles and longer-barreled revolvers. Choose loads built for hunting, such as bonded hollow points, monolithic copper bullets, or hard cast lead.

Read Related .357 Magnum Articles

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