Hornady Critical Duty .357 Magnum FlexLock Ammo

Hornady Critical Duty ammunition is engineered to address barrier performance demands for responsible handgun owners and duty professionals. The cartridge is built around Hornady’s FlexLock bullet design, which pairs a polymer Flex Tip with an InterLock jacket-to-core band to reduce the risk of core-jacket separation through common barriers. Cases are nickel-plated to resist corrosion and aid low-light chamber checks, and the loading uses low-flash propellant to limit muzzle flash in reduced-light environments.

Key Specifications

• The cartridge is chambered in .357 Magnum.
• The bullet uses Hornady’s FlexLock design combining a polymer Flex Tip with an InterLock band.
• The cases are made from nickel-plated brass for corrosion resistance and easier chamber checks.
• The listed muzzle velocity is 1275 fps.
• The listed muzzle energy is 487 ft-lbs.
• Packaging is indicated as 10 boxes per case in the provided data.
• This ammunition is specified for home defense and duty use in the product attributes.
• The product series is identified as Critical Duty.
• The load uses low-flash propellant to help preserve night vision in low-light conditions.
• The product data marks the rounds as reloadable.

Critical Duty is focused on consistent performance through common urban barriers, offering a combination of controlled expansion and heavy jacket-to-core retention through Hornady’s FlexLock construction. Its nickel-plated cases and low-flash propellant make it suitable for duty-minded applications and responsible owners who prioritize reliable feeding and predictable terminal performance in challenging environments.

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