Winchester USA White Box .357 SIG Ammo – 125 Grain Full Metal Jacket Range Ammunition (50 Round Box)

Winchester USA White Box .357 SIG 125 grain Full Metal Jacket ammunition delivers the high-velocity performance the .357 SIG cartridge is known for, combined with the consistent quality of Winchester’s trusted White Box line. Designed for reliable feeding and dependable accuracy, this load is well-suited for routine training and range work.

The 125 grain FMJ projectile promotes smooth cycling in semi-automatic pistols and provides consistent point-of-impact performance during extended shooting sessions. Its full metal jacket construction helps reduce barrel fouling while offering uniform penetration without expansion—ideal for target practice and defensive-style drills.

Packaged in a 50-round box, Winchester USA White Box .357 SIG ammunition is a practical choice for shooters seeking reliable, cost-effective range performance in this fast, flat-shooting handgun caliber.

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Quick Highlights

• Caliber: .357 SIG

• Bullet Weight: 125 Grain

• Bullet Type: Full Metal Jacket (FMJ)

• Intended Use: Range / Training

• Rounds Per Box: 50

• Manufacturer: Winchester

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Use Cases & Applications

• Range training

• Defensive handgun drills

• Law enforcement qualification practice

• High-volume practice sessions

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Technical Details

• Manufacturer: Winchester

• Product Line: USA White Box

• Caliber: .357 SIG

• Bullet Weight: 125 Grain

• Projectile Type: Full Metal Jacket (FMJ)

• Rounds per Box: 50

• Application: Target / Training

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