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About Deep Penetrating X-Panding (DPX) Ammunition

These loadings feature Barnes all-copper bullets designed for maximum penetration and reliable expansion without lead content. Developed by Corbon using Barnes solid copper projectiles, the DPX bullet incorporates a hollow point design that expands into four large petals while maintaining the bullet's base for deep penetration. The DPX design provides 100% weight retention and consistent expansion characteristics regardless of impact velocity, making it effective through various barriers and clothing. These types of loadings are well-suited for self-defense and hunting applications where maximum penetration, reliable expansion, and lead-free performance are essential for stopping threats or harvesting game effectively.

Common Deep Penetrating X-Panding (DPX) Calibers

• 9mm:The 9mm Luger cartridge is easily the most common handgun round in common use. The caliber goes by many names, often being referred to as 9mm NATO, 9mm Parabellum, 9x19mm, or just generically “9mm”. The cartridge’s origins can be traced back to the early 20th century and is the brainchild of Georg Luger. Originally found in firearms such as the Borchardt C-93 and the P-08 Luger pistol, the round has become a common chambering for handguns in civilian and military use from the 20th century onward. Firearms such as pistols and submachine guns in 9mm Luger have commonly been used by military and law enforcement personnel across the globe, leading to the round establishing a reputation for being a reliable service cartridge.
• .380 ACP:The .380 ACP, or .380 Automatic Colt Pistol, was designed by John Moses Browning in 1908. Production of the cartridge began in the same year and saw immediate use in Colt’s Model 1903 Pocket Hammerless handgun. The .380 ACP was derived from the .38 ACP, or .38 Auto cartridge which was introduced in 1900 by Browning. Since its introduction, the cartridge has been used in a variety of firearms such as handguns for concealed carry and even submachine guns. Today, the cartridge is still utilized for defensive purposes and benefits from modern, optimized loadings which increase the effectiveness of the round.
• .45 ACP:The .45 ACP, or .45 Automatic Colt Pistol, cartridge is the brainchild of prolific firearm designer John Moses Browning. Originally developed in 1904, the cartridge is closely associated with the 1911 pistol, an iconic service pistol chambered in .45 ACP. Beyond its use in handguns, the cartridge is well-known for being used in submachine guns such as the Thompson and M3 “Grease Gun.” The .45 ACP notably served the United States and allied nations throughout both World Wars and in many of the conflicts throughout the 20th century.
• .40 S&W:The .40 Smith & Wesson cartridge was introduced in 1990 as part of a collaboration between Smith and Wesson and Winchester. The round is typically denoted by its full name, as .40 S&W, or simply as .40 cal. While effectively a shorter and milder version of the 10mm Auto, the .40 Smith & Wesson is often compared to the 9mm Luger and .45 ACP. The round boasts a greater overall length and projectile size over the 9mm Luger. The .40 Smith & Wesson is capable of higher velocities than the .45 ACP and is ultimately slower than most 9mm Luger loadings. Due to its velocity to projectile size ratio, the .40 Smith & Wesson cartridge is capable of imparting a greater amount of energy on impact. As far as recoil goes, the .40 Smith & Wesson is noticeably snappier than the 9mm Luger and .45 ACP while recoiling less than 10mm Auto.
• .223 Remington:The .223 Remington, often referred to as the .223 Rem, is one of the most common rifle calibers in the United States. As an intermediate rifle cartridge, .223 Rem loadings will produce a light recoil impulse and feature a light projectile. The rounds will typically yield a high velocity and feature a flat trajectory. While the cartridge and its NATO cousin have seen duty use, the .223 Rem has also established itself as a capable round as far as target shooting and hunting go as well. The round is enjoyed by shooters, both new and experienced, due to the light recoil and overall performance afforded by the cartridge.

Firearms that Use Deep Penetrating X-Panding (DPX) Ammo

• Pistols
• Rifles

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