the .357 SIG ammo for sale is a pistol caliber that was jointly designed by Sig Sauer and the Federal Cartridge Corporation. It was developed in 1994 and has gained recognition for its accuracy and effectiveness, particularly in law enforcement applications.

The .357 SIG is known for its combination of weight and velocity, making it a hard-hitting caliber. Its essential case dimensions contribute to its reliability. The cartridge is derived from the 10mm Auto parent case, featuring a rimless, bottleneck design.

key details about .357 SIG ammo:

  • Type: Pistol
  • Place of origin: Switzerland, United States
  • Designer: SIGARMS / Federal Cartridge Co.
  • Designed: 1994
  • Produced: 1994-present


  • Parent case: 10mm Auto
  • Case type: Rimless, bottleneck
  • Bullet diameter: 9.02 mm (0.355 in)
  • Neck diameter: 9.68 mm (0.381 in)
  • Shoulder diameter: 10.77 mm (0.424 in)
  • Base diameter: 10.77 mm (0.424 in)
  • Rim diameter: 10.77 mm (0.424 in)
  • Rim thickness: 1.40 mm (0.055 in)
  • Case length: 21.97 mm (0.865 in)
  • Overall length: 28.96 mm (1.140 in)
  • Case capacity: 1.27 cm3 (19.6 gr H2O)
  • Rifling twist: 406 mm (1 in 16 in)
  • Primer type: Small pistol
  • Maximum pressure (C.I.P.): 305.0 MPa (44,240 psi)
  • Maximum pressure (SAAMI): 275.8 MPa (40,000 psi)

Ballistic Performance:

  • 8.1 g (125 gr) Federal FMJ: Velocity – 1,350 ft/s (410 m/s), Energy – 506 ft⋅lbf (686 J)
  • 8.1 g (125 gr) Doubletap FMJ-FP: Velocity – 1,450 ft/s (440 m/s), Energy – 583 ft⋅lbf (790 J)
  • 5.83 g (90 gr) Grizzly JHP: Velocity – 1,900 ft/s (580 m/s), Energy – 721 ft⋅lbf (978 J)
  • 8.1 g (125 gr) Underwood TMJ: Velocity – 1,475 ft/s (450 m/s), Energy – 604 ft⋅lbf (819 J)
  • 6.48 g (100 gr) Cor-bon PB

At Buckshotandguns.com, you can find a wide selection of 357 Sig ammo in stock and available for purchase. Whether you’re a seasoned shooter or a beginner, we have the ammunition you need to enhance your shooting experience. Our website offers a convenient and secure online shopping platform, ensuring a smooth and reliable purchasing process.

Visit our website today to explore our in-stock 357 Sig ammo and take advantage of our next-day shipping on all orders. With Buckshotandguns.com, you can buy with confidence and enjoy a seamless buying experience for all your ammunition needs.

latest products for .357 Sig ammo

  1. Speer Gold Dot .357 Sig Ammo: This high-quality ammunition features a 125-grain Gold Dot Hollow Point design, offering excellent expansion and terminal performance. It is a popular choice among law enforcement professionals and self-defense enthusiasts.
  2. Federal Premium .357 Sig HST Ammo: The Federal Premium HST line is known for its reliable performance and stopping power. This .357 Sig ammo is loaded with a 125-grain HST jacketed hollow point bullet, delivering consistent expansion and penetration.
  3. Remington UMC: Remington UMC ammo is a cost-effective option that doesn’t compromise on quality. These cartridges are loaded with a 125-grain full metal jacket (FMJ) bullet, making them suitable for range training and target shooting.
  4. Winchester Ranger T-Series: Designed for duty use, Winchester Ranger T-Series ammo offers exceptional performance and reliability. It features a 125-grain bonded jacketed hollow point bullet, delivering excellent expansion and weight retention.
  5. Hornady Critical Duty: Hornady Critical Duty ammo is specifically engineered for law enforcement and personal protection purposes. It utilizes a FlexLock bullet design, combining consistent expansion with deep penetration and reliable terminal performance.

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