40 S&W Ammo for Sale

Looking to buy 40 S&W Ammo? Discover new and used listings from verified sellers across the U.S. Only on GunsAmerica.

40 S&W Ammo Overview

Developed in 1990 by Smith & Wesson and Winchester, 40 S&W ammo was designed to offer superior stopping power in a compact cartridge. Its balanced velocity and bullet weight provide effective self-defense and law enforcement performance. Today, 40 S&W remains popular among personal defense and duty users seeking moderate recoil with strong terminal ballistics.

Why 40 S&W Ammo Is a Top Choice

Balanced recoil for controllable rapid fire
Wide availability from major manufacturers
Effective stopping power for self-defense
Compatible with many semi-automatic pistols
Varied bullet types: FMJ, JHP, +P+

Key Variants

40 S&W 165 grain JHP

Common self-defense load favored for balanced penetration and expansion.

40 S&W 180 grain FMJ

Popular for range practice offering consistent feeding and accuracy.

Competitor Comparison Table

Feature	40 s&w ammo	9mm Luger	.45 ACP
Typical Bullet Weight	155-180 grains	115-147 grains	185-230 grains
Muzzle Velocity (fps)	950-1100	1100-1200	830-900
Effective Range	25-50 yards	25-50 yards	25-50 yards
Recoil	Moderate	Lower	Higher
Common Use	Self-defense, law enforcement	Self-defense, competition	Self-defense, hunting
Notable Pro	Balanced power and recoil	High magazine capacity	Superior stopping power
Notable Con	Less common than 9mm	Weaker terminal effect	Increased recoil

Best Use Cases

Personal and home self-defense
Law enforcement duty use
Range training and practice
Concealed carry pistols
Collectors favoring classic calibers

FAQs

Can I use 40 S&W ammo in all pistols chambered for it?

Yes, 40 S&W ammunition is designed to function safely and reliably in all pistols chambered specifically for this cartridge. Use only factory-certified ammo matching your firearm's specifications.

What is the difference between 40 S&W and 9mm Luger?

40 S&W offers heavier bullets and more energy, with moderate recoil. 9mm generally has higher magazine capacity and lower recoil, favored for rapid fire and competition.

How does bullet weight affect 40 S&W ammo performance?

Heavier bullets (165-180 grains) provide deeper penetration and controlled expansion. Lighter bullets increase velocity but may reduce stopping power slightly.

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