Description
Winchester USA ammunition has been the go-to choice at firing ranges across the country for decades. The White Box .40 S&W in 165 grain FMJ is built specifically for shooters who want to put rounds downrange without overthinking it. You get new production, non-corrosive brass that you can reload, paired with bullets designed for smooth feeding and consistent performance.
What Makes Winchester USA 40 S&W Stand Out
The 165 grain loading strikes a practical balance in the .40 S&W platform. Compared to heavier 180 grain loads, the 165 grain FMJ generates more velocity while maintaining controllable recoil. The full metal jacket design ensures reliable function through any .40 compatible firearm, making this a no-nonsense choice whether you run a Glock, M&P, Sig, or other service-class pistol. Each round reaches 1060 fps with 412 foot-pounds of energy, producing consistent ballistics round after round.
Range Proven, Budget Friendly
There's a reason Winchester White Box is on the shelf at every range in America. The ammunition functions cleanly through a variety of firearms without excessive fouling. The brass construction invites reloaders to stretch their dollar even further. At 100 rounds per box, this is the practical unit for serious practice sessions where you're not counting shots, just improving your skills. Many shooters treat this as their baseline ammunition for breaking in new firearms or testing them for reliability before investing in premium defensive rounds.
Key Specifications
- Caliber: .40 S&W
- Bullet Weight: 165 grains
- Bullet Type: Full Metal Jacket (FMJ)
- Muzzle Velocity: 1060 fps
- Muzzle Energy: 412 ft-lbs
- Case Type: Brass, reloadable
- Primer Type: Boxer
- Rounds per Box: 100
- Condition: New production, non-corrosive
- Manufacturer: Winchester
- Manufacturer Part Number: USA40SWVP
- UPC: 020892213654
What’s Included
- 100 rounds of Winchester USA .40 S&W 165 grain FMJ ammunition
Frequently Asked Questions
Is Winchester USA .40 S&W ammo good for reloading?
Yes. The 165 grain FMJ comes in reloadable brass cases with Boxer primers that can be easily reloaded. This makes Winchester USA a popular choice for high-volume reloaders looking to extend their ammunition budget long-term.
How does the 165 grain compare to 180 grain .40 S&W loads?
The 165 grain pushes out at 1060 fps versus typically 1020 fps for 180 grain loads, generating more velocity and slightly snappier recoil. Both weights are reliable in most .40 compatible firearms. The choice often comes down to personal preference for felt recoil and what groups best in your specific gun.
What type of firearms will this ammunition work in?
This .40 S&W FMJ ammunition is compatible with any firearm chambered in .40 S&W, including Glock, Smith & Wesson M&P, Sig Sauer, and other service pistols. The full metal jacket design and standard sizing ensure reliable feeding and function across the platform.
Is this ammunition appropriate for self-defense?
Winchester USA 165 grain FMJ is designed and recommended for target shooting and range training. Full metal jacket rounds do not expand on impact. For self-defense applications, dedicated hollow point ammunition is the appropriate choice.


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