40 S&W

 .40 S&W Ammo For Sale


The .40 S&W (Smith & Wesson) ammo or bullets has gained immense popularity among law enforcement agencies, self-defense enthusiasts, and competitive shooters since its introduction in 1990. Designed to bridge the gap between the 9mm and .45 ACP, this ammo offers a unique combination of power, accuracy, and manageable recoil. 

The Birth of the .40 S&W

The .40 S&W was developed in response to the 1986 FBI Miami shootout, where agents were under gunned with their 9mm pistols. The FBI sought a more powerful round to deliver superior stopping power without sacrificing magazine capacity or controllability. Smith & Wesson, in collaboration with Winchester Ammunition, answered the call by introducing this cartridge.

The .40 S & W is a shortened version of the 10mm Auto round, allowing it to fit in pistols designed for 9mm frames. This compatibility made it an attractive choice for law enforcement agencies looking to upgrade their firepower without replacing their existing firearms. This ammo quickly gained traction and became a popular duty and personal defense choice.

 Ballistics and Performance

The .40 S&W balances the high velocity of the 9mm and the larger bullet diameter of the .45 ACP. Typically loaded with bullets ranging from 155 to 180 grains, this ammo delivers impressive muzzle energy and stopping power. Its higher velocity compared to the .45 ACP results in flatter trajectories and better penetration, making it suitable for both close-quarters engagements and longer-range shots.

One of the advantages of the .40 S&W is its ability to deliver reliable expansion and penetration. The larger bullet diameter and modern hollow point designs ensure effective energy transfer and controlled development upon impact. This characteristic makes this ammunition a formidable round for self-defense, as it can quickly and reliably hinder a threat.

 Applications and Firearms

The .40 S&W has found widespread adoption in various applications. Law enforcement agencies across the globe have embraced this ammo due to its stopping power and compatibility with existing 9mm platforms. Many police departments issue pistols chambered in this ammo to their officers, providing them with the necessary firepower to handle various scenarios.

In addition to law enforcement, the .40 S&W is a popular choice for concealed carry and home defense. Its balance between power and controllability makes it an attractive option for those seeking a reliable self-defense round. Numerous compact and subcompact pistols are chambered in this ammo, offering a potent combination of firepower and concealability.

 Criticisms and Considerations

While the .40 S&W has enjoyed widespread popularity, it is not without its critics. One common criticism is the perceived snappy recoil of the cartridge, which can be more challenging to manage compared to the 9mm. However, with proper training and technique, shooters can effectively mitigate this recoil and maintain accurate follow-up shots.

Another consideration when choosing the .40 S&W is ammunition availability and cost. While less abundant than 9mm or.45 ACP, this ammo is still widely available in most gun stores and online retailers. However, due to its popularity, ammunition prices may be slightly higher than other calibers. When selecting a firearm chambered in this ammo, shooters must consider these considerations.


The .40 S&W has proven itself as a versatile and powerful cartridge. It offers a compelling combination of stopping power, accuracy, and manageable recoil. Its adoption by law enforcement agencies and its popularity among concealed carry enthusiasts speaks to its effectiveness as a self-defense round. This ammunition remains a favorite among firearms enthusiasts who value its performance and reliability. 40 s&w bullets

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