Description
.357 SIG 125gr FMJ
When precision, velocity, and reliable penetration matter most, COR®BON’s .357 SIG 125gr FMJ delivers full-power performance. This is not a light training round—it’s built for shooters who expect every shot to count.
This load maintains defensive-level energy while providing the benefits of a full metal jacket: smooth feeding, clean penetration, and consistent accuracy. Therefore, it performs well in tactical scenarios, barrier testing, and controlled-penetration environments.
The .357 SIG cartridge was originally designed to replicate the .357 Magnum’s stopping power in a semi-automatic platform. COR®BON improves this foundation by loading the FMJ round with enhanced velocity and match-grade consistency. Consequently, shooters experience reliable cycling, flat trajectory, and dependable terminal performance.
Professionals in law enforcement and security choose this round for training and real-world operations. Moreover, it allows shooters to test their platform, confirm gear performance, and stay confident under pressure.
Each cartridge is built with premium brass, non-corrosive primers, and strict tolerances. This ensures consistent results with every shot. Whether training or preparing for defense, COR®BON’s .357 SIG 125gr FMJ provides a round you can trust.
Specs:
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Caliber: .357 SIG
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Bullet Weight: 125 grains
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Bullet Type: Full Metal Jacket (FMJ)
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Use Case: Tactical / Duty / Penetration
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Benefits: High velocity, smooth feeding, consistent performance
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Made in the USA
- Muzzle Velocity: 1350fps
- Muzzle Energy: 505ft/lbs
Warnings:
Improperly hand-loaded ammunition can cause serious injury, death, and damage to firearms. Ammunition may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Use only in modern firearms in good condition, free of obstruction, and chambered for the caliber of the ammunition. All firearms may be dangerous if used carelessly or without regard for safe handling practices.
Since loading practices are beyond our control, we disclaim all liability which may result. Designing firearms in support of unlawful activity is a violation of federal law. It is unlawful to use armor-piercing handgun ammunition in California. It is illegal to ship ammunition to persons under 21, and other states/cities have additional restrictions. Always store ammunition safely, away from heat or ignition sources. Wash hands thoroughly after handling ammunition or spent cartridges. Improper use may result in serious injury. KEEP OUT OF REACH OF CHILDREN.
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
When it counts, count on COR®BON. Tactical, tested, and trusted ammunition for those who refuse to compromise.
