At Black Bayou Armory, we understand the importance of having ammunition you can trust in critical situations. That’s why we carry the Hornady .357 Magnum 135 Grain Critical Duty® ammunition, part number #90511, designed to deliver unmatched reliability and performance for law enforcement, tactical professionals, and responsible civilians.
Built with the FlexLock® bullet, this premium defensive round combines Hornady’s patented Flex Tip® technology with a robust InterLock® band, ensuring the bullet and core remain fused on impact. The result? Superior barrier penetration and consistent terminal performance through obstacles like auto glass, wood, and steel.
The 135-grain FlexLock® bullet is paired with low-flash propellants, reducing muzzle flash for enhanced visibility during low-light encounters. With a muzzle velocity of 1,275 fps and energy transfer of 487 ft-lbs, this ammunition guarantees devastating stopping power and precision. The nickel-plated cases offer corrosion resistance and make chamber checks easier, even in dimly lit conditions.
Packaged in a 25-round box, the Hornady Critical Duty® ammunition is a reliable, barrier-blind solution for anyone seeking the best in performance and protection. Trust Black Bayou Armory to supply the gear you need to stay prepared.
Manufacturer Specs
- Manufacturer: Hornady
- Part Number: #90511
- Caliber: .357 Magnum
- Bullet Weight: 135 Grain
- Bullet Type: FlexLock® with Flex Tip® technology
- Rounds Per Box: 25
- Muzzle Velocity: 1,275 fps (8″ test barrel)
- Muzzle Energy: 487 ft-lbs
- Purpose: Law enforcement, tactical applications, personal defense
- Low-Flash Propellant: Yes
- Nickel-Plated Cases: Yes
Key Features
- FlexLock® Bullet: Combines the patented Flex Tip® design and InterLock® band for controlled expansion and maximum weight retention.
- Barrier-Blind Performance: Delivers consistent results through urban obstacles, meeting FBI protocol standards.
- Nickel-Plated Cases: Provides enhanced corrosion resistance and increased visibility for chamber checks.
- Low-Flash Propellant: Reduces muzzle flash to preserve night vision in low-light conditions.
- Optimized for Duty Use: Designed to function flawlessly in full-size handguns, delivering unwavering performance in high-stakes situations.
FAQs
Q: What makes the Critical Duty® line ideal for law enforcement?
A: The Critical Duty® line is engineered for law enforcement and tactical professionals, offering superior penetration and consistent performance through barriers like auto glass, drywall, and steel.
Q: Can civilians use this ammunition for personal defense?
A: Yes, while designed for professionals, this ammunition is an excellent choice for anyone seeking reliable barrier penetration and consistent performance in critical moments.
Q: How does the Flex Tip® technology enhance performance?
A: The Flex Tip® prevents clogging and ensures controlled expansion, delivering maximum energy transfer, even through heavy clothing or barriers.
Q: Is this ammunition compatible with all .357 Magnum firearms?
A: Absolutely. It is suitable for any firearm chambered for .357 Magnum, but it’s optimized for full-size handguns often used in tactical and law enforcement scenarios.
Q: Why shop for ammunition at Black Bayou Armory?
A: At Black Bayou Armory, we carefully select every product to ensure it meets our high standards for performance, reliability, and quality. We stand by the brands we carry because your safety matters to us.
Brought to you by Black Bayou Armory.





